Solve for y
y = -\frac{13049}{490} = -26\frac{309}{490} \approx -26.630612245
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-457.96=64+19.6y
Calculate 21.4 to the power of 2 and get 457.96.
64+19.6y=-457.96
Swap sides so that all variable terms are on the left hand side.
19.6y=-457.96-64
Subtract 64 from both sides.
19.6y=-521.96
Subtract 64 from -457.96 to get -521.96.
y=\frac{-521.96}{19.6}
Divide both sides by 19.6.
y=\frac{-52196}{1960}
Expand \frac{-521.96}{19.6} by multiplying both numerator and the denominator by 100.
y=-\frac{13049}{490}
Reduce the fraction \frac{-52196}{1960} to lowest terms by extracting and canceling out 4.
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