Solve for x
x=-7
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x-63-10x=0
Subtract 10x from both sides.
-9x-63=0
Combine x and -10x to get -9x.
-9x=63
Add 63 to both sides. Anything plus zero gives itself.
x=\frac{63}{-9}
Divide both sides by -9.
x=-7
Divide 63 by -9 to get -7.
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