A.3x+6=0 | B.-
| C.
| D.5-3x=1 |
1 |
4 |
1 |
2 |
4 |
3 |
x |
2 |
x-1 |
4 |
A.2x=1-(x-1) | B.4x=4-2(x-1) | C.2x=4-(x-1) | D.2x=4-x-1 |
4 |
3 |
x-2 |
6 |
x+2 |
3 |
x-1 |
2 |
x+4 |
0.2 |
x-3 |
0.5 |
A.方程3x-2=2x+1,移项,得3x-2x=-1+2 | ||||
B.方程3-x=2-5(x-1),去括号,得3-x=2-5x-1 | ||||
C.方程
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D.方程
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