7x+4=8(x-3)
问题描述:
7x+4=8(x-3)
答
7x+4=8(x-3)
7X+4=8X-24
8X-7X=4+24
X=28
7x+4=8(x-3)
7x+4=8(x-3)
7X+4=8X-24
8X-7X=4+24
X=28