Solve for z
z=\frac{2}{3}\approx 0.666666667
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z=\frac{1}{9}+\frac{5}{9}
Add \frac{5}{9} to both sides.
z=\frac{1+5}{9}
Since \frac{1}{9} and \frac{5}{9} have the same denominator, add them by adding their numerators.
z=\frac{6}{9}
Add 1 and 5 to get 6.
z=\frac{2}{3}
Reduce the fraction \frac{6}{9} to lowest terms by extracting and canceling out 3.
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