麻烦给讲解下,要详细,题在红圈那!要有过程!谢谢啊!(我做错了,麻烦大家把每一步都写写,快考试了,

2025-05-09 03:11:21
推荐回答(1个)
回答1:

x /(x-1)-(x-1)/(x-1)=3/(x-1)(x+2)
/(x-1)=3/(x-1)(x+2)
1=3/(x+2)
x+2=3
x=1