Solve for p
p=6
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-4p+9=-15
Swap sides so that all variable terms are on the left hand side.
-4p=-15-9
Subtract 9 from both sides.
-4p=-24
Subtract 9 from -15 to get -24.
p=\frac{-24}{-4}
Divide both sides by -4.
p=6
Divide -24 by -4 to get 6.
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