Solve for x
x=6
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30-4x-x=0
Subtract x from both sides.
30-5x=0
Combine -4x and -x to get -5x.
-5x=-30
Subtract 30 from both sides. Anything subtracted from zero gives its negation.
x=\frac{-30}{-5}
Divide both sides by -5.
x=6
Divide -30 by -5 to get 6.
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