$$ \begin{aligned} \frac{\frac{p}{35}}{2} &= p&& \text{multiply ALL terms by } \color{blue}{ 70 }. \\[1 em]70 \cdot \frac{\frac{p}{35}}{2} &= 70p&& \text{cancel out the denominators} \\[1 em]p &= 70p&& \text{move the $ \color{blue}{ 70p } $ to the left side} \\[1 em]p-70p &= 0&& \text{simplify left side} \\[1 em]-69p &= 0&& \text{ divide both sides by $ -69 $ } \\[1 em]p &= \frac{0}{-69}&& \\[1 em]p &= 0&& \\[1 em] \end{aligned} $$

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