解方程|x-1|/5-2|x-1|/3=-2/15|x-1|-3
问题描述：
解方程|x-1|/5-2|x-1|/3=-2/15|x-1|-3
答
|x-1|/5-2|x-1|/3=-2/15|x-1|-3
乘以15得
3|x-1|-10|x-1|=-2|x-1|-45
-7|x-1|+2|x-1|=-45
-5|x-1|=-45
|x-1|=9
x-1=±9
x=10或-8