Solve for x
x=18
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8+5x-x=80
Subtract x from both sides.
8+4x=80
Combine 5x and -x to get 4x.
4x=80-8
Subtract 8 from both sides.
4x=72
Subtract 8 from 80 to get 72.
x=\frac{72}{4}
Divide both sides by 4.
x=18
Divide 72 by 4 to get 18.
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