Question
$$\frac{x+10}{5} = 8$$
Answer
$$ x = 30 $$
Explanation
$$ \begin{aligned} \frac{x+10}{5} &= 8&& \text{multiply ALL terms by } \color{blue}{ 5 }. \\[1 em]5 \cdot \frac{x+10}{5} &= 5\cdot8&& \text{cancel out the denominators} \\[1 em]x+10 &= 40&& \text{ move 10 to the right } \\[1 em]x &= 40-10&& \\[1 em]x &= 30&& \\[1 em]x &= 30&& \\[1 em] \end{aligned} $$
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