Solve for x
x=3
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-3x+18-x=6
Subtract x from both sides.
-4x+18=6
Combine -3x and -x to get -4x.
-4x=6-18
Subtract 18 from both sides.
-4x=-12
Subtract 18 from 6 to get -12.
x=\frac{-12}{-4}
Divide both sides by -4.
x=3
Divide -12 by -4 to get 3.
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