(x-3)分之(2m+m)=3的解是正数,求m的取值范围

问题描述:

(x-3)分之(2m+m)=3的解是正数,求m的取值范围

(2m+m)/(x-3)=3
3m=3(x-3)
x=m+3
m+3>0
m>-3