Solve for x
x=13
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4x-4-4+x=57
Combine 2x and 2x to get 4x.
4x-8+x=57
Subtract 4 from -4 to get -8.
5x-8=57
Combine 4x and x to get 5x.
5x=57+8
Add 8 to both sides.
5x=65
Add 57 and 8 to get 65.
x=\frac{65}{5}
Divide both sides by 5.
x=13
Divide 65 by 5 to get 13.
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