Question

第二十五题，也是要过程哦〜

Answer 1

左式通分得：

2 (5x - 1) - 3 (3x - 1.2)
———————————— = 1
0.6

则 10x - 2 - ( 9x - 3.6 ) = 0.6
10x - 9x - 2 + 3.6 = 0.6
x = 0.6 - 1.6
x = -1

Answer 2

0.3分之5x-1-0.2分之3x-1.2=1
左右同乘0.6
10x-9x-7.2=0.6
x=7.8

Answer 3

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2 (5x - 1) - 3 (3x - 1.2)
———————————— = 1
0.6

则 10x - 2 - ( 9x - 3.6 ) = 0.6
10x - 9x - 2 + 3.6 = 0.6
x = 0.6 - 1.6
x = -1

Answer 4

两边同时乘以0.6 2（5x-1)-3（3x-1.2)=0.6 即10x-2-9x+3.6=0.6 x+1.6=0.6 x=-1

Answer 5

两边同乘0.06，得x-0.2-0.9x+0.36=0.06，0.1x=-0.1，x=-1

Answer 6

10x-2/0.6 -(9x-3.6)/0.6=x+1.6/0.6=1 x=-1