Solve for x
x=-3
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6x+6=-21-3x
Combine 5x and x to get 6x.
6x+6+3x=-21
Add 3x to both sides.
9x+6=-21
Combine 6x and 3x to get 9x.
9x=-21-6
Subtract 6 from both sides.
9x=-27
Subtract 6 from -21 to get -27.
x=\frac{-27}{9}
Divide both sides by 9.
x=-3
Divide -27 by 9 to get -3.
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