Solve for x
x=12
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-4x-15=-63
Combine 4x and -8x to get -4x.
-4x=-63+15
Add 15 to both sides.
-4x=-48
Add -63 and 15 to get -48.
x=\frac{-48}{-4}
Divide both sides by -4.
x=12
Divide -48 by -4 to get 12.
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