7x+4=8(x-3)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/07 07:05:18

7x+4=8(x-3)
7x+4=8(x-3)

7x+4=8(x-3)
7x+4=8(x-3)
7X+4=8X-24
8X-7X=4+24
X=28

7x+4=8(x-3)
7x+4=8x-24
x=28

7x+4=8x-24
x=28

x=4

7x+4=8(x-3)
7x+4=8x-24
7x-8x=-24-4
-x=-28
x=28

28

解;7x+4=8(x-3)
7x+4=8x-24
7x-8x=-24-4
-x=-28
x=28

28