Solve for p
p=181
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9p+81-10p=-100
Subtract 10p from both sides.
-p+81=-100
Combine 9p and -10p to get -p.
-p=-100-81
Subtract 81 from both sides.
-p=-181
Subtract 81 from -100 to get -181.
p=181
Multiply both sides by -1.
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