Solve for x
x=-18
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2x+15=-21
Multiply both sides of the equation by 3.
2x=-21-15
Subtract 15 from both sides.
2x=-36
Subtract 15 from -21 to get -36.
x=\frac{-36}{2}
Divide both sides by 2.
x=-18
Divide -36 by 2 to get -18.
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