题目内容
将方程
=1-
去分母,正确的是( )
| x |
| 2 |
| x-1 |
| 4 |
| A.2x=4-x+1 | B.2x=4-x-1 | C.2x=1-x-1 | D.2x=1-x+1 |
去分母得:2x=4-x+1,
故选A.
故选A.
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题目内容
| x |
| 2 |
| x-1 |
| 4 |
| A.2x=4-x+1 | B.2x=4-x-1 | C.2x=1-x-1 | D.2x=1-x+1 |