$$4(11p+4) = 20p+16$$

$$ \begin{aligned} 4(11p+4) &= 20p+16&& \text{simplify left side} \\[1 em]44p+16 &= 20p+16&& \text{move the $ \color{blue}{ 20p } $ to the left side and $ \color{blue}{ 16 }$ to the right} \\[1 em]44p-20p &= 16-16&& \text{simplify left and right hand side} \\[1 em]24p &= 0&& \text{ divide both sides by $ 24 $ } \\[1 em]p &= \frac{0}{24}&& \\[1 em]p &= 0&& \\[1 em] \end{aligned} $$

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