Solve for p
p=-20
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-\frac{1}{2}p=7+3
Add 3 to both sides.
-\frac{1}{2}p=10
Add 7 and 3 to get 10.
p=10\left(-2\right)
Multiply both sides by -2, the reciprocal of -\frac{1}{2}.
p=-20
Multiply 10 and -2 to get -20.
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