5（x﹣1）﹣2（3x﹣1）=4x﹣1．_刷题宝

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5（x﹣1）﹣2（3x﹣1）=4x﹣1．

上一题下一题 0.0难度选择题更新时间:2019-05-17 12:01:34

答案(点此获取答案解析）

解：5（x﹣1）﹣2（3x﹣1）=4x﹣1

去括号得：5x﹣5﹣6x+2=4x﹣1，

移项得：5x﹣6x﹣4x=5﹣2﹣1，

解得：x=﹣

2

5

．

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