Solve for x
x=7
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56-7x-x=0
Subtract x from both sides.
56-8x=0
Combine -7x and -x to get -8x.
-8x=-56
Subtract 56 from both sides. Anything subtracted from zero gives its negation.
x=\frac{-56}{-8}
Divide both sides by -8.
x=7
Divide -56 by -8 to get 7.
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