Solve for p
p=-3
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-12=3p-3
Combine p and 2p to get 3p.
3p-3=-12
Swap sides so that all variable terms are on the left hand side.
3p=-12+3
Add 3 to both sides.
3p=-9
Add -12 and 3 to get -9.
p=\frac{-9}{3}
Divide both sides by 3.
p=-3
Divide -9 by 3 to get -3.
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