Solve for p
p=1
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18-3p-6p=9
Subtract 6p from both sides.
18-9p=9
Combine -3p and -6p to get -9p.
-9p=9-18
Subtract 18 from both sides.
-9p=-9
Subtract 18 from 9 to get -9.
p=\frac{-9}{-9}
Divide both sides by -9.
p=1
Divide -9 by -9 to get 1.
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