50/(x+2)=5 x=?
问题描述:
50/(x+2)=5 x=?
.
答
50/(x+2)=5
50=5x+10
-5x=-40
x=8
50/(x+2)=5 x=?
.
50/(x+2)=5
50=5x+10
-5x=-40
x=8