$$ \begin{aligned} 24 &= \frac{3}{4}y&& \text{multiply ALL terms by } \color{blue}{ 4 }. \\[1 em]4\cdot24 &= 4 \cdot \frac{3}{4}y&& \text{cancel out the denominators} \\[1 em]96 &= 3y&& \text{ swap the left and right side of the equation } \\[1 em]3y &= 96&& \text{ divide both sides by $ 3 $ } \\[1 em]y &= \frac{96}{3}&& \\[1 em]y &= 32&& \\[1 em] \end{aligned} $$

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