7x+4=8(x-3)

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7x+4=8(x-3)7x+4=8(x-3)7x+4=8(x-3)7x+4=8(x-3)7X+4=8X-248X-7X=4+24X=287x+4=8(x-3)7x+4=8x-24x=287x+4=8x

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