解方程的计算题
4个回答
展开全部
1、87x+2y=7733
20x+32y=4364
答案:x=87 y=82
2、44x+60y=6340
15x+42y=4122
答案:x=20 y=91
3、11x+74y=3548
71x+45y=4730
答案:x=40 y=42
4、53x+54y=3229
70x+43y=2877
答案:x=11 y=49
5、43x+9y=801
76x+16y=1420
答案:x=9 y=46
解一次方程有五个步骤:
1、去分母。
2、去括号。
3、移项。
4、合并同类项。
5、方程两边同除以未知数的系数解二元或三元一次方程组有公式(初中不学)解一元二次方程有求根公式 一元三、四次方程也有公式(但中学不讲) 高次方程一般形式没有求根公式。
扩展资料
分数解方程的方法:
1、第一步一般是去括号了,如果没有括号转入第二部。
2、第二步是乘以公分母目的就是约去分母。
3、第三步是移向合并。
4、第四步是得出结果解二元一次方程组吧.思路是消元,根据方程的特点来确定用代人消元还是加减消元。
如果一个方程中某一未知数的系数为1,常用代人消元法,也可用加减消元法。如果两个方程中同一未知数的系数相等,或互为相反数,或是整倍数关系,当然用加减消元法了。
展开全部
3x=6-x
4x-1=3+6
5X+8=6X-7
5x+15-2x-2=10
2x-4+5-5x=-1
1 50-3x=20
2 3(x+2)=8
3 7X-6=8
4 5(2x+7)=55
5 (8-x)(6-2X)=10
6 9x-8x=19
7 5X+40=100
8 36-15x=6
9 4x-8=3x+19
10 7x+5=54
11 1/2+1/6+1/12+x+1/30=1-1/30
12 0.6x+x/10-0.2=6/5
13 2-(3x/8+1/6÷1/3)=35/24
14 3.5/105=x/33
15 7.5:x=24:12
16 1/3:x=5:6
17 2x/3-x/5=4.9
18 6.4x-2.4x=3.6
19 23×2.5+2.5x=100
20 1×2×3×4×5×6x=4×5×6×7×8
21 8X+4=20
22 50-3x=20
23 3(x+2)=8
24 7X-6=8
25 5(2x+7)=55
26(8-x)(6-2X)=10
27 9x-8x=19
28 5X+40=100
29 36-15x=6
30 5x-2(x-1)=17
3y-4=y+3
0.4x-3=0.1x+2
2(x-2)+2=x+1
2(x-2)-3(4x-1)=9(1-x)
11x+64-2x=100-9x
15-(8-5x)=7x+(4-3x)
3(x-7)-2[9-4(2-x)]=22
247x+114=37
71x+3=124
40x+61=223
35x+103=171
239x+51=119
187x+255=67
135x+203=15
83x+151=219
31x+99=167
235x+47=115
183x+251=63
131x+199=11
79x+147=215
79x+199=116
137x+43=111
179x+247=59
127x+195=7
74x+142=210
22x+90=158
226x+38=106
174x+242=54
122x+190=2
70x+138=206
71x+191=107
128x+34=102
170x+238=50
118x+186=254
66x+134=202
14x+82=150
218x+30=98
166x+234=46
163x+24=190
198x+78=93
57x+172=78
146x+214=26
94x+162=230
42x+110=178
42x+162=79
100x+6=74
142x+210=22
90x+158=226
38x+106=174
242x+54=122
239x+100=10
17x+153=169
133x+248=154
221x+33=101
222x+86=2
23x+185=253
65x+133=201
13x+81=149
217x+29=97
218x+82=254
19x+181=249
61x+129=197
9x+77=145
6x+123=33
41x+177=193
156x+15=177
245x+57=125
245x+110=26
47x+209=21
89x+157=225
37x+105=173
37x+157=74
95x+1=69
137x+205=17
134x+251=161
169x+48=64
28x+143=49
169x+33=206
227x+133=201
13x+81=149
217x+29=97
214x+74=240
248x+128=144
107x+222=128
249x+113=29
50x+212=24
145x+9=181
202x+108=176
244x+56=124
241x+102=12
20x+156=172
135x+250=156
20x+141=57
78x+240=52
120x+188=256
120x+241=157
178x+84=152
13x+130=40
48x+184=199
163x+22=184
48x+168=85
106x+12=80
197x+58=224
232x+112=127
71x+3=124
40x+61=223
35x+103=171
239x+51=119
187x+255=67
135x+203=15
83x+151=219
31x+99=167
235x+47=115
183x+251=63
131x+199=11
79x+147=215
79x+199=116
137x+43=111
179x+247=59
127x+195=7
74x+142=210
22x+90=158
226x+38=106
174x+242=54
122x+190=2
70x+138=206
71x+191=107
128x+34=102
170x+238=50
118x+186=254
66x+134=202
14x+82=150
218x+30=98
166x+234=46
163x+24=190
198x+78=93
57x+172=78
146x+214=26
94x+162=230
42x+110=178
42x+162=79
100x+6=74
142x+210=22
90x+158=226
38x+106=174
242x+54=122
239x+100=10
17x+153=169
133x+248=154
221x+33=101
222x+86=2
23x+185=253
65x+133=201
13x+81=149
217x+29=97
218x+82=254
19x+181=249
61x+129=197
9x+77=145
6x+123=33
41x+177=193
156x+15=177
245x+57=125
245x+110=26
47x+209=21
89x+157=225
37x+105=173
37x+157=74
95x+1=69
137x+205=17
134x+251=161
169x+48=64
28x+143=49
169x+33=206
227x+133=201
13x+81=149
217x+29=97
214x+74=240
248x+128=144
107x+222=128
249x+113=29
50x+212=24
145x+9=181
202x+108=176
244x+56=124
241x+102=12
20x+156=172
135x+250=156
20x+141=57
78x+240=52
120x+188=256
120x+241=157
178x+84=152
13x+130=40
48x+184=199
163x+22=184
48x+168=85
106x+12=80
197x+58=224
232x+112=127
91x+206=112
232x+96=13
34x+196=8
128x+248=165
186x+92=160
21x+138=48
55x+191=207
171x+30=192
56x+176=92
113x+19=87
208x+72=244
9x+171=239
100x+217=127
135x+15=31
47x+214=224
245x+151=219
80x+197=107
115x+251=11
230x+89=251
115x+236=152
173x+79=147
11x+132=48
69x+231=43
160x+21=187
195x+75=90
106x+17=28
49x+211=23
143x+7=180
250x+205=115
123x+3=18
34x+201=212
233x+139=207
68x+185=95
103x+238=254
14x+181=192
213x+119=187
51x+171=88
158x+112=22
30x+166=182
198x+109=119
140x+46=114
235x+99=15
85x+40=206
214x+94=110
126x+37=47
117x+72=238
246x+126=142
157x+69=79
100x+6=74
194x+59=231
45x+256=166
174x+54=70
85x+253=7
80x+39=211
232x+138=206
67x+184=94
154x+86=206
123x+144=50
167x+28=194
254x+186=50
223x+244=150
14x+134=51
121x+76=242
250x+129=145
161x+72=83
156x+114=31
101x+56=221
229x+109=125
141x+52=62
132x+87=253
5x+141=157
173x+84=94
168x+126=42
112x+67=233
241x+121=137
153x+64=74
148x+106=22
92x+47=213
221x+101=117
132x+44=54
124x+79=245
253x+133=149
164x+76=86
159x+118=34
104x+59=225
233x+113=128
144x+55=66
139x+97=14
84x+39=205
9x+197=61
234x+255=161
22x+139=49
109x+41=161
130x+203=214
28x+239=149
157x+36=52
68x+235=246
63x+21=194
8x+218=128
136x+16=32
48x+215=225
39x+250=160
221x+153=17
242x+59=69
139x+94=4
12x+148=164
180x+91=101
174x+133=49
119x+74=240
44x+232=97
62x+132=136
196x+128=249
165x+186=92
212x+77=249
63x+18=184
244x+176=40
9x+82=93
163x+118=28
88x+20=140
106x+176=180
240x+172=36
209x+230=136
256x+120=37
107x+62=228
32x+220=84
53x+126=137
207x+162=71
132x+64=184
149x+219=223
28x+216=80
49x+122=132
202x+157=67
127x+60=180
149x+222=232
46x+1=167
227x+159=24
245x+59=63
123x+55=176
144x+218=228
42x+253=163
223x+155=20
244x+62=72
142x+97=7
67x+255=119
85x+155=159
219x+151=15
240x+57=68
138x+93=3
63x+251=115
84x+157=168
238x+193=103
163x+95=215
181x+251=255
59x+247=111
80x+153=164
234x+189=98
159x+91=211
180x+253=7
77x+32=198
52x+33=251
159x+45=3
21x+143=251
249x+139=108
26x+190=194
254x+186=51
16x+86=90
203x+187=156
74x+238=242
98x+83=52
226x+134=138
247x+228=190
99x+240=198
167x+240=251
65x+20=186
42x+27=251
170x+78=82
142x+74=194
160x+230=234
38x+226=90
59x+132=143
213x+168=78
138x+70=190
208x+74=183
128x+222=86
52x+121=125
186x+118=238
207x+24=34
104x+59=225
82x+66=35
209x+117=121
181x+114=234
199x+13=17
77x+9=130
98x+172=182
48x+56=70
15x+109=230
195x+9=13
73x+5=126
91x+161=165
21x+6=230
149x+57=61
121x+53=173
142x+215=226
40x+251=161
14x+251=213
122x+7=221
190x+7=18
88x+43=209
65x+49=18
193x+101=105
165x+97=217
183x+253=1
113x+97=66
240x+148=152
213x+145=9
234x+51=61
184x+191=205
147x+238=96
51x+99=57
75x+197=49
250x+89=209
177x+251=5
127x+135=149
91x+182=40
251x+42=1
225x+43=53
175x+183=197
142x+236=101
66x+136=140
249x+230=192
101x+242=200
169x+242=253
119x+126=141
86x+180=44
62x+184=37
31x+174=136
94x+28=84
45x+238=45
16x+232=85
79x+222=184
194x+180=85
184x+24=80
38x+228=28
245x+182=245
216x+176=28
23x+166=128
36x+178=136
154x+20=128
73x+168=32
49x+172=24
225x+63=184
149x+219=223
76x+57=20
184x+69=28
45x+168=20
221x+59=180
197x+63=172
117x+211=75
41x+111=115
227x+212=180
99x+7=11
123x+108=76
251x+159=163
16x+253=215
124x+9=223
241x+107=216
161x+255=119
137x+3=112
57x+151=15
33x+155=7
209x+47=167
185x+51=159
105x+199=63
81x+203=55
49x+193=155
63x+205=163
181x+47=155
149x+36=255
163x+48=7
24x+147=255
200x+38=159
176x+43=151
145x+32=251
159x+44=3
20x+142=251
196x+34=154
172x+38=147
92x+186=50
68x+190=43
37x+180=142
51x+192=150
168x+34=143
88x+182=46
64x+186=39
33x+176=138
47x+188=146
164x+30=139
84x+178=42
60x+182=34
29x+172=134
43x+184=142
160x+26=134
80x+174=38
56x+178=30
24x+168=130
87x+21=78
242x+127=86
103x+226=78
72x+215=178
86x+227=186
203x+70=178
175x+66=35
209x+117=121
230x+211=173
82x+223=181
199x+65=174
171x+62=30
1x+217=70
64x+207=169
127x+61=117
78x+15=78
253x+161=165
18x+255=217
178x+115=178
97x+5=9
121x+105=74
45x+5=113
55x+146=4
12x+111=174
145x+105=213
208x+95=57
221x+107=65
83x+205=57
51x+195=157
118x+55=118
36x+200=204
57x+38=1
218x+155=218
188x+149=1
202x+40=161
178x+45=153
147x+34=252
210x+144=200
109x+250=208
226x+92=201
195x+82=44
5x+199=5
180x+88=92
204x+189=157
128x+88=197
191x+78=40
254x+188=244
153x+38=252
14x+136=245
239x+126=88
49x+242=49
20x+236=88
34x+128=248
10x+132=240
234x+122=84
41x+232=32
249x+186=249
167x+75=79
188x+169=132
93x+30=93
63x+24=132
126x+13=232
189x+123=180
140x+78=141
111x+71=180
174x+61=23
237x+171=227
188x+126=188
159x+119=228
222x+109=71
29x+219=19
236x+174=236
207x+167=20
14x+157=119
28x+169=127
145x+11=120
114x+1=219
180x+117=180
151x+111=219
214x+101=63
21x+211=11
228x+165=228
199x+159=11
5x+149=111
68x+3=59
20x+213=20
246x+207=59
53x+196=159
116x+50=107
68x+5=68
38x+255=107
101x+244=206
164x+98=154
115x+53=115
86x+46=155
149x+36=254
212x+146=202
163x+101=163
134x+94=203
197x+84=46
4x+194=250
211x+148=211
182x+142=251
245x+132=94
52x+242=42
3x+196=3
4x-1=3+6
5X+8=6X-7
5x+15-2x-2=10
2x-4+5-5x=-1
1 50-3x=20
2 3(x+2)=8
3 7X-6=8
4 5(2x+7)=55
5 (8-x)(6-2X)=10
6 9x-8x=19
7 5X+40=100
8 36-15x=6
9 4x-8=3x+19
10 7x+5=54
11 1/2+1/6+1/12+x+1/30=1-1/30
12 0.6x+x/10-0.2=6/5
13 2-(3x/8+1/6÷1/3)=35/24
14 3.5/105=x/33
15 7.5:x=24:12
16 1/3:x=5:6
17 2x/3-x/5=4.9
18 6.4x-2.4x=3.6
19 23×2.5+2.5x=100
20 1×2×3×4×5×6x=4×5×6×7×8
21 8X+4=20
22 50-3x=20
23 3(x+2)=8
24 7X-6=8
25 5(2x+7)=55
26(8-x)(6-2X)=10
27 9x-8x=19
28 5X+40=100
29 36-15x=6
30 5x-2(x-1)=17
3y-4=y+3
0.4x-3=0.1x+2
2(x-2)+2=x+1
2(x-2)-3(4x-1)=9(1-x)
11x+64-2x=100-9x
15-(8-5x)=7x+(4-3x)
3(x-7)-2[9-4(2-x)]=22
247x+114=37
71x+3=124
40x+61=223
35x+103=171
239x+51=119
187x+255=67
135x+203=15
83x+151=219
31x+99=167
235x+47=115
183x+251=63
131x+199=11
79x+147=215
79x+199=116
137x+43=111
179x+247=59
127x+195=7
74x+142=210
22x+90=158
226x+38=106
174x+242=54
122x+190=2
70x+138=206
71x+191=107
128x+34=102
170x+238=50
118x+186=254
66x+134=202
14x+82=150
218x+30=98
166x+234=46
163x+24=190
198x+78=93
57x+172=78
146x+214=26
94x+162=230
42x+110=178
42x+162=79
100x+6=74
142x+210=22
90x+158=226
38x+106=174
242x+54=122
239x+100=10
17x+153=169
133x+248=154
221x+33=101
222x+86=2
23x+185=253
65x+133=201
13x+81=149
217x+29=97
218x+82=254
19x+181=249
61x+129=197
9x+77=145
6x+123=33
41x+177=193
156x+15=177
245x+57=125
245x+110=26
47x+209=21
89x+157=225
37x+105=173
37x+157=74
95x+1=69
137x+205=17
134x+251=161
169x+48=64
28x+143=49
169x+33=206
227x+133=201
13x+81=149
217x+29=97
214x+74=240
248x+128=144
107x+222=128
249x+113=29
50x+212=24
145x+9=181
202x+108=176
244x+56=124
241x+102=12
20x+156=172
135x+250=156
20x+141=57
78x+240=52
120x+188=256
120x+241=157
178x+84=152
13x+130=40
48x+184=199
163x+22=184
48x+168=85
106x+12=80
197x+58=224
232x+112=127
71x+3=124
40x+61=223
35x+103=171
239x+51=119
187x+255=67
135x+203=15
83x+151=219
31x+99=167
235x+47=115
183x+251=63
131x+199=11
79x+147=215
79x+199=116
137x+43=111
179x+247=59
127x+195=7
74x+142=210
22x+90=158
226x+38=106
174x+242=54
122x+190=2
70x+138=206
71x+191=107
128x+34=102
170x+238=50
118x+186=254
66x+134=202
14x+82=150
218x+30=98
166x+234=46
163x+24=190
198x+78=93
57x+172=78
146x+214=26
94x+162=230
42x+110=178
42x+162=79
100x+6=74
142x+210=22
90x+158=226
38x+106=174
242x+54=122
239x+100=10
17x+153=169
133x+248=154
221x+33=101
222x+86=2
23x+185=253
65x+133=201
13x+81=149
217x+29=97
218x+82=254
19x+181=249
61x+129=197
9x+77=145
6x+123=33
41x+177=193
156x+15=177
245x+57=125
245x+110=26
47x+209=21
89x+157=225
37x+105=173
37x+157=74
95x+1=69
137x+205=17
134x+251=161
169x+48=64
28x+143=49
169x+33=206
227x+133=201
13x+81=149
217x+29=97
214x+74=240
248x+128=144
107x+222=128
249x+113=29
50x+212=24
145x+9=181
202x+108=176
244x+56=124
241x+102=12
20x+156=172
135x+250=156
20x+141=57
78x+240=52
120x+188=256
120x+241=157
178x+84=152
13x+130=40
48x+184=199
163x+22=184
48x+168=85
106x+12=80
197x+58=224
232x+112=127
91x+206=112
232x+96=13
34x+196=8
128x+248=165
186x+92=160
21x+138=48
55x+191=207
171x+30=192
56x+176=92
113x+19=87
208x+72=244
9x+171=239
100x+217=127
135x+15=31
47x+214=224
245x+151=219
80x+197=107
115x+251=11
230x+89=251
115x+236=152
173x+79=147
11x+132=48
69x+231=43
160x+21=187
195x+75=90
106x+17=28
49x+211=23
143x+7=180
250x+205=115
123x+3=18
34x+201=212
233x+139=207
68x+185=95
103x+238=254
14x+181=192
213x+119=187
51x+171=88
158x+112=22
30x+166=182
198x+109=119
140x+46=114
235x+99=15
85x+40=206
214x+94=110
126x+37=47
117x+72=238
246x+126=142
157x+69=79
100x+6=74
194x+59=231
45x+256=166
174x+54=70
85x+253=7
80x+39=211
232x+138=206
67x+184=94
154x+86=206
123x+144=50
167x+28=194
254x+186=50
223x+244=150
14x+134=51
121x+76=242
250x+129=145
161x+72=83
156x+114=31
101x+56=221
229x+109=125
141x+52=62
132x+87=253
5x+141=157
173x+84=94
168x+126=42
112x+67=233
241x+121=137
153x+64=74
148x+106=22
92x+47=213
221x+101=117
132x+44=54
124x+79=245
253x+133=149
164x+76=86
159x+118=34
104x+59=225
233x+113=128
144x+55=66
139x+97=14
84x+39=205
9x+197=61
234x+255=161
22x+139=49
109x+41=161
130x+203=214
28x+239=149
157x+36=52
68x+235=246
63x+21=194
8x+218=128
136x+16=32
48x+215=225
39x+250=160
221x+153=17
242x+59=69
139x+94=4
12x+148=164
180x+91=101
174x+133=49
119x+74=240
44x+232=97
62x+132=136
196x+128=249
165x+186=92
212x+77=249
63x+18=184
244x+176=40
9x+82=93
163x+118=28
88x+20=140
106x+176=180
240x+172=36
209x+230=136
256x+120=37
107x+62=228
32x+220=84
53x+126=137
207x+162=71
132x+64=184
149x+219=223
28x+216=80
49x+122=132
202x+157=67
127x+60=180
149x+222=232
46x+1=167
227x+159=24
245x+59=63
123x+55=176
144x+218=228
42x+253=163
223x+155=20
244x+62=72
142x+97=7
67x+255=119
85x+155=159
219x+151=15
240x+57=68
138x+93=3
63x+251=115
84x+157=168
238x+193=103
163x+95=215
181x+251=255
59x+247=111
80x+153=164
234x+189=98
159x+91=211
180x+253=7
77x+32=198
52x+33=251
159x+45=3
21x+143=251
249x+139=108
26x+190=194
254x+186=51
16x+86=90
203x+187=156
74x+238=242
98x+83=52
226x+134=138
247x+228=190
99x+240=198
167x+240=251
65x+20=186
42x+27=251
170x+78=82
142x+74=194
160x+230=234
38x+226=90
59x+132=143
213x+168=78
138x+70=190
208x+74=183
128x+222=86
52x+121=125
186x+118=238
207x+24=34
104x+59=225
82x+66=35
209x+117=121
181x+114=234
199x+13=17
77x+9=130
98x+172=182
48x+56=70
15x+109=230
195x+9=13
73x+5=126
91x+161=165
21x+6=230
149x+57=61
121x+53=173
142x+215=226
40x+251=161
14x+251=213
122x+7=221
190x+7=18
88x+43=209
65x+49=18
193x+101=105
165x+97=217
183x+253=1
113x+97=66
240x+148=152
213x+145=9
234x+51=61
184x+191=205
147x+238=96
51x+99=57
75x+197=49
250x+89=209
177x+251=5
127x+135=149
91x+182=40
251x+42=1
225x+43=53
175x+183=197
142x+236=101
66x+136=140
249x+230=192
101x+242=200
169x+242=253
119x+126=141
86x+180=44
62x+184=37
31x+174=136
94x+28=84
45x+238=45
16x+232=85
79x+222=184
194x+180=85
184x+24=80
38x+228=28
245x+182=245
216x+176=28
23x+166=128
36x+178=136
154x+20=128
73x+168=32
49x+172=24
225x+63=184
149x+219=223
76x+57=20
184x+69=28
45x+168=20
221x+59=180
197x+63=172
117x+211=75
41x+111=115
227x+212=180
99x+7=11
123x+108=76
251x+159=163
16x+253=215
124x+9=223
241x+107=216
161x+255=119
137x+3=112
57x+151=15
33x+155=7
209x+47=167
185x+51=159
105x+199=63
81x+203=55
49x+193=155
63x+205=163
181x+47=155
149x+36=255
163x+48=7
24x+147=255
200x+38=159
176x+43=151
145x+32=251
159x+44=3
20x+142=251
196x+34=154
172x+38=147
92x+186=50
68x+190=43
37x+180=142
51x+192=150
168x+34=143
88x+182=46
64x+186=39
33x+176=138
47x+188=146
164x+30=139
84x+178=42
60x+182=34
29x+172=134
43x+184=142
160x+26=134
80x+174=38
56x+178=30
24x+168=130
87x+21=78
242x+127=86
103x+226=78
72x+215=178
86x+227=186
203x+70=178
175x+66=35
209x+117=121
230x+211=173
82x+223=181
199x+65=174
171x+62=30
1x+217=70
64x+207=169
127x+61=117
78x+15=78
253x+161=165
18x+255=217
178x+115=178
97x+5=9
121x+105=74
45x+5=113
55x+146=4
12x+111=174
145x+105=213
208x+95=57
221x+107=65
83x+205=57
51x+195=157
118x+55=118
36x+200=204
57x+38=1
218x+155=218
188x+149=1
202x+40=161
178x+45=153
147x+34=252
210x+144=200
109x+250=208
226x+92=201
195x+82=44
5x+199=5
180x+88=92
204x+189=157
128x+88=197
191x+78=40
254x+188=244
153x+38=252
14x+136=245
239x+126=88
49x+242=49
20x+236=88
34x+128=248
10x+132=240
234x+122=84
41x+232=32
249x+186=249
167x+75=79
188x+169=132
93x+30=93
63x+24=132
126x+13=232
189x+123=180
140x+78=141
111x+71=180
174x+61=23
237x+171=227
188x+126=188
159x+119=228
222x+109=71
29x+219=19
236x+174=236
207x+167=20
14x+157=119
28x+169=127
145x+11=120
114x+1=219
180x+117=180
151x+111=219
214x+101=63
21x+211=11
228x+165=228
199x+159=11
5x+149=111
68x+3=59
20x+213=20
246x+207=59
53x+196=159
116x+50=107
68x+5=68
38x+255=107
101x+244=206
164x+98=154
115x+53=115
86x+46=155
149x+36=254
212x+146=202
163x+101=163
134x+94=203
197x+84=46
4x+194=250
211x+148=211
182x+142=251
245x+132=94
52x+242=42
3x+196=3
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χ-χ= 6×-χ= χ+=
χ-χ=12 χ= χ×(+)=
5X-3×= +X= 8x-×3= (x-6)×=25
X- 7(2)X= 2X + 5(2)= 5(3) X×=20×
X+X=121 5X-3×= X÷=12
6X+5 =13.4 3X=
X÷= X+X= 4X-6×=2
5(12)÷X=10(3) X = X = ×
X÷ =× 4x-3 ×9 = 29 x + x = 4
X-21×=4
6X+5 =13.4 5(2)X-3(1)X=10(3) 4χ-6=38
5X= X= X÷=
X÷=12 X= X=×
X÷=÷ X-0.25=
4+0.7X=102 X+X=42 X+X=105
X-X=400 X-0.125X=8 =
X+7(3)X=18 X×( 6(1)+ 8(3))=12(13) x-0.375x=
x×+=4× X-X=12 5 X-2.4×5=8
0.36×5- 4(3)x = 5(3) 3(2)(x- 4.5) = 7
x- 0.8x = 16+6 20 x– 8.5= 1.5 x- 5(4)x -4= 21 X-7(3)X= 9(8) x-x=14 +x= 7-=2x
X+5=X X += 5 x -x=×45
χ-χ=12 χ= χ×(+)=
5X-3×= +X= 8x-×3= (x-6)×=25
X- 7(2)X= 2X + 5(2)= 5(3) X×=20×
X+X=121 5X-3×= X÷=12
6X+5 =13.4 3X=
X÷= X+X= 4X-6×=2
5(12)÷X=10(3) X = X = ×
X÷ =× 4x-3 ×9 = 29 x + x = 4
X-21×=4
6X+5 =13.4 5(2)X-3(1)X=10(3) 4χ-6=38
5X= X= X÷=
X÷=12 X= X=×
X÷=÷ X-0.25=
4+0.7X=102 X+X=42 X+X=105
X-X=400 X-0.125X=8 =
X+7(3)X=18 X×( 6(1)+ 8(3))=12(13) x-0.375x=
x×+=4× X-X=12 5 X-2.4×5=8
0.36×5- 4(3)x = 5(3) 3(2)(x- 4.5) = 7
x- 0.8x = 16+6 20 x– 8.5= 1.5 x- 5(4)x -4= 21 X-7(3)X= 9(8) x-x=14 +x= 7-=2x
X+5=X X += 5 x -x=×45
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