方程7*(x-15)=56怎么解?
问题描述:
方程7*(x-15)=56怎么解?
答
(x-15)=56÷7
(x-15)=8
x=8+15
x=23
方程7*(x-15)=56怎么解?
(x-15)=56÷7
(x-15)=8
x=8+15
x=23