5-7x÷6=3-5x÷5-1
问题描述:
5-7x÷6=3-5x÷5-1
答
5-7x÷6=3-5x÷5-1
x-7x÷6=-3
×6
-x=-18
x=18
答
5-7x÷6=3-5x÷5-1
5-7/6x=3-x-1=2-x
3=1/6x
x=18