Solve for y
y = \frac{2161}{3} = 720\frac{1}{3} \approx 720.333333333
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y≔\frac{2161}{3}
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y=729+9^{-\frac{1}{2}}-9
Calculate 9 to the power of 3 and get 729.
y=729+\frac{1}{3}-9
Calculate 9 to the power of -\frac{1}{2} and get \frac{1}{3}.
y=\frac{2188}{3}-9
Add 729 and \frac{1}{3} to get \frac{2188}{3}.
y=\frac{2161}{3}
Subtract 9 from \frac{2188}{3} to get \frac{2161}{3}.
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