x+2 |
5 |
x-1 |
2 |
x |
5 |
1 |
2 |
1 |
2 |
2 |
3 |
x+2 |
5 |
x-1 |
2 |
x |
5 |
1 |
2 |
1 |
2 |
2 |
3 |
1 |
2 |
1 |
4 |
1 |
4 |
2 |
3 |
2 |
3 |
11 |
5 |
x-5 |
6 |
x-3 |
4 |
x |
2 |
2x-1 |
3 |
A.3x-2(2x-1)=6 | B.3x-2(2x-1)=1 | C.3x-4x-1=6 | D.x-(2x-1)=1 |
x+2 |
3 |
2x-1 |
4 |
A.x=-3 | B.x=-2 | C.x=3 | D.无解 |
2x+1 |
3 |
5x-1 |
6 |
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