Solve for y
y = \frac{28}{9} = 3\frac{1}{9} \approx 3.111111111
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225-72y=1
Calculate 15 to the power of 2 and get 225.
-72y=1-225
Subtract 225 from both sides.
-72y=-224
Subtract 225 from 1 to get -224.
y=\frac{-224}{-72}
Divide both sides by -72.
y=\frac{28}{9}
Reduce the fraction \frac{-224}{-72} to lowest terms by extracting and canceling out -8.
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