Answer
$a=\frac{5}{6}$
Work Step by Step
$a-\frac{2}{3}=\frac{1}{6}$
$a-\frac{2}{3}+\frac{2}{3}=\frac{1}{6}+\frac{2}{3}$
$a=\frac{1}{6}+\frac{4}{6}$
$a=\frac{5}{6}$
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