7(x-1)-2(x+3)=3(x-1)
问题描述:
7(x-1)-2(x+3)=3(x-1)
答
7x-7-2x-6=3x-3
5x-13=3x-3
2x=10
x=5
7(x-1)-2(x+3)=3(x-1)
7x-7-2x-6=3x-3
5x-13=3x-3
2x=10
x=5