解方程.7x-9=5x5(x-8)=3x 7x-5x5=2x7X12-10x=18x3(6x-7)=15x+12
问题描述:
解方程.7x-9=5x
5(x-8)=3x
7x-5x5=2x
7X12-10x=18x
3(6x-7)=15x+12
答
解方程.7x-9=5x
5(x-8)=3x
7x-5x5=2x
7X12-10x=18x
3(6x-7)=15x+12