Solve for y
y=1
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77.5y=87.5-10
Subtract 10 from both sides.
77.5y=77.5
Subtract 10 from 87.5 to get 77.5.
y=\frac{77.5}{77.5}
Divide both sides by 77.5.
y=1
Divide 77.5 by 77.5 to get 1.
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