解分式方程7/(XX+X)+1/(xx-x) =6/(xx-1)
问题描述:
解分式方程7/(XX+X)+1/(xx-x) =6/(xx-1)
答
7/x(x+1)+1/x(x-1)=6/(x+1)(x-1)
两边乘x(x+1)(x-1)
7x-7+x+1=6x
x=3
经检验,x=3是方程的解