$$ \begin{aligned} \frac{5}{6}-2x &= \frac{4}{3}&& \text{multiply ALL terms by } \color{blue}{ 6 }. \\[1 em]6\cdot\frac{5}{6}-6\cdot2x &= 6\cdot\frac{4}{3}&& \text{cancel out the denominators} \\[1 em]5-12x &= 8&& \text{ move 5 to the right } \\[1 em]-12x &= 8-5&& \\[1 em]-12x &= 3&& \text{ divide both sides by $ -12 $ } \\[1 em]x &= -\frac{3}{12}&& \\[1 em]x &= -\frac{1}{4}&& \\[1 em] \end{aligned} $$

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