4x+5×6=58 解方程并验算
问题描述：
4x+5×6=58 解方程并验算
答
4x=58-30
4x=28
x=7
答
X=7
答
4x+5×6=58
4x+30=58
4x=28
x=7
4*7+5*6=28+30=58
答
4x=58-30
x=28/4
=7