将等式2-(x-1)/3=1变形,得( )A 6-x+1=3B 6-x-1=3C 2-x+1=3D 2-x-1=3

问题描述:

将等式2-(x-1)/3=1变形,得( )
A 6-x+1=3
B 6-x-1=3
C 2-x+1=3
D 2-x-1=3

A

a

左右乘3得6-(x-1)等3化简得3-x+1等0得x等于4

将等式2-(x-1)/3=1变形,得( 2-x+1=3 )

C 2-x+1=3
2-(x-1)/3=1
2-(x-1)=3
2-x+1=3