Solve for p
p=\frac{2}{5}=0.4
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50+150p-250p=10
Subtract 250p from both sides.
50-100p=10
Combine 150p and -250p to get -100p.
-100p=10-50
Subtract 50 from both sides.
-100p=-40
Subtract 50 from 10 to get -40.
p=\frac{-40}{-100}
Divide both sides by -100.
p=\frac{2}{5}
Reduce the fraction \frac{-40}{-100} to lowest terms by extracting and canceling out -20.
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