Solve for x
x=7
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-10+3x=\frac{-99}{-9}
Divide both sides by -9.
-10+3x=11
Divide -99 by -9 to get 11.
3x=11+10
Add 10 to both sides.
3x=21
Add 11 and 10 to get 21.
x=\frac{21}{3}
Divide both sides by 3.
x=7
Divide 21 by 3 to get 7.
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