A.
| B.2 | C.6 | D.
|
2x+4 |
3 |
3x-1 |
2 |
1 |
3 |
2 |
7 |
A.从x+3=6,可得x=6-3 |
B.从2x=x-2,可得2x-x=-2 |
C.从x+1=2x,可得x-2x=1 |
D.从2x-4=3x+8,可得2x-3x=8+4 |
A.由x+5=6x-7得x-6x=7-5 | ||||
B.由-2(x-1)=3得-2x-2=3 | ||||
C.由
| ||||
D.由
|
2x-4 |
3 |
x-7 |
6 |
A.2-2(2x-4)=-(x-7) | B.12-2(2x-4)=-x-7 |
C.12-4x-8=-(x-7) | D.12-2(2x-4)=x-7 |
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