Solve for x
x=10
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8x+20-12x=-20
Subtract 12x from both sides.
-4x+20=-20
Combine 8x and -12x to get -4x.
-4x=-20-20
Subtract 20 from both sides.
-4x=-40
Subtract 20 from -20 to get -40.
x=\frac{-40}{-4}
Divide both sides by -4.
x=10
Divide -40 by -4 to get 10.
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