Solve for y
y=\frac{1}{3}\approx 0.333333333
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y=1-\frac{2}{3}
Subtract \frac{2}{3} from both sides.
y=\frac{3}{3}-\frac{2}{3}
Convert 1 to fraction \frac{3}{3}.
y=\frac{3-2}{3}
Since \frac{3}{3} and \frac{2}{3} have the same denominator, subtract them by subtracting their numerators.
y=\frac{1}{3}
Subtract 2 from 3 to get 1.
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