Question
$$24 = 3(y-5)$$
Answer
$$ y = 13 $$
Explanation
$$ \begin{aligned} 24 &= 3(y-5)&& \text{simplify right side} \\[1 em]24 &= 3y-15&& \text{ swap the left and right side of the equation } \\[1 em]3y-15 &= 24&& \text{ move -15 to the right } \\[1 em]3y &= 24+15&& \\[1 em]3y &= 39&& \text{ divide both sides by $ 3 $ } \\[1 em]y &= \frac{39}{3}&& \\[1 em]y &= 13&& \\[1 em] \end{aligned} $$
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