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(x-0.2)⼀0.2-(x+1)⼀0.5=3解方程

2025-02-07 19:25:13

推荐回答（2个）

回答1：

解：化简式子得：{10x-2}/2-{10x+10}/5=3【根据分数的基本性质，同时乘或除以一个数，值不变】，
所以，再将方程两边同时乘10，在化简得30x=60，所以，x=2是原方程的解。

回答2：

(x-0.2)/0.2-(x+1)/0.5=3
5(x-0.2)-2(x+1)=3
5x-1-2x-2=3
3x=6
x=2

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