Solve for x
x=-150
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120\times 10=x-9x
Multiply both sides by 10.
1200=x-9x
Multiply 120 and 10 to get 1200.
1200=-8x
Combine x and -9x to get -8x.
-8x=1200
Swap sides so that all variable terms are on the left hand side.
x=\frac{1200}{-8}
Divide both sides by -8.
x=-150
Divide 1200 by -8 to get -150.
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