Answer
x = $-\frac{1}{6}$
Work Step by Step
$\frac{5}{6} + x = \frac{2}{3}$
Subtract $\frac{5}{6}$ from both sides:
x = $\frac{2}{3} - \frac{5}{6}$
x = $\frac{4}{6} - \frac{5}{6}$
x = $-\frac{1}{6}$
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