2.4×3-0.7x=5.6解方程
2.4×3-0.7x=5.6解方程
2.4×3-0.7x=5.6
7.2-0.7x=5.6
0.7x=1.6
x=16/7
解方程:3.8 ×3-0.7x=9.3
3.8 ×3-0.7x=9.3
解:
11.4-0.7X=9.3
0.7X=11.4-9.3
0.7X=2.1
X=3
解方程: 14*3+0.7x=56 另一道:14*3-0.7x=56
加的:14*3+0.7x=56
解: 42+0.7x=56
0.7x=56-42
0.7x=14
x=20
减的:14*3-0.7x=56
解: 42-0.7x=56
0.7x=56+42
x=98除0.7
x=140
4.5×3-0.7x=2.5×4-0.2x解方程怎么算
13.5-0.7x=10-0.2x
0.5x=3.5(移项)
x=7
望采纳~
解方程: 0.7x+2.4=4.8-0.5x
0.7x+2.4=4.8-0.5x
0.7x+0.5x=4.8-2.4
1.2x=2.4
x=2
解方程:3.8×3-0.7x=9.3 x=? 请列出详细的, 急!
3.8×3-0.7X=9.3
11.4-9.3=0.7X
0.7X=2.1
X=3
5.6/0.7x等于0.05解方程
5.6/0.7x=0.05
5.6=0.05×0.7x
x=5.6÷0.7÷0.05
x=160
0.7x-102÷3=15解方程
0.7x-102÷3=15解方程
0.7x=15+34
0.7x=49
x=70
解方程. (7)0.7x-70.05=3
(1)0.7x-10.05=h.6,
0.7x-10.05+10.05=h.6+10.05,
&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小; 0.7x=1h.65,
&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小; 0.7x÷0.7=1h.65÷0.7,
&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小; x=19.5;
(6)5.1x-h.5x=0.l,
&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小; 1.6x=0.l,
&nbs小;&nbs小;&nbs小;&nbs小; 1.6x÷1.6=0.l÷1.6,
&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小;&nbs小; x=0.5.
7x=5.6解方程。
x=5.6÷7
x=0.8
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