191问答库 > 一道数学题 帮帮忙 谢谢了。

一道数学题 帮帮忙 谢谢了。

关于x的方程x+m/x-3（就是x-3分之x+m）=m 无解，求m的值
2025-03-16 11:31:07
推荐回答（2个）
回答1：

【解】m=1

(x+m)/(x-3)=m
==> x+m=mx-3m
==> x=4m/(m-1)

既然x无解，那就只能是m=1
这时，分式4m/(m-1)无意义。

回答2：

m=-3

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