Question
$$\frac{x}{5}+3 = 5$$
Answer
$$ x = 10 $$
Explanation
$$ \begin{aligned} \frac{x}{5}+3 &= 5&& \text{multiply ALL terms by } \color{blue}{ 5 }. \\[1 em]5 \cdot \frac{x}{5}+5\cdot3 &= 5\cdot5&& \text{cancel out the denominators} \\[1 em]x+15 &= 25&& \text{ move 15 to the right } \\[1 em]x &= 25-15&& \\[1 em]x &= 10&& \\[1 em]x &= 10&& \\[1 em] \end{aligned} $$
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