$$\frac{x}{5}-8 = 1$$
Answer
$$ x = 45 $$
Explanation
$$ \begin{aligned} \frac{x}{5}-8 &= 1&& \text{multiply ALL terms by } \color{blue}{ 5 }. \\[1 em]5 \cdot \frac{x}{5}-5\cdot8 &= 5\cdot1&& \text{cancel out the denominators} \\[1 em]x-40 &= 5&& \text{ move -40 to the right } \\[1 em]x &= 5+40&& \\[1 em]x &= 45&& \\[1 em]x &= 45&& \\[1 em] \end{aligned} $$
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