Question
$$\frac{x}{10}-6 = 20$$
Answer
$$ x = 260 $$
Explanation
$$ \begin{aligned} \frac{x}{10}-6 &= 20&& \text{multiply ALL terms by } \color{blue}{ 10 }. \\[1 em]10 \cdot \frac{x}{10}-10\cdot6 &= 10\cdot20&& \text{cancel out the denominators} \\[1 em]x-60 &= 200&& \text{ move -60 to the right } \\[1 em]x &= 200+60&& \\[1 em]x &= 260&& \\[1 em]x &= 260&& \\[1 em] \end{aligned} $$
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