2(x-4)+ 2x=7-(x-1)
问题描述:
2(x-4)+ 2x=7-(x-1)
答
2x-8+2x=7-x+1
2x+2x+x=7+1+8
5x=16
x=3.2
2(x-4)+ 2x=7-(x-1)
2x-8+2x=7-x+1
2x+2x+x=7+1+8
5x=16
x=3.2