$$ \begin{aligned} 5(h+1) &= 4(2h-1)&& \text{simplify left and right hand side} \\[1 em]5h+5 &= 8h-4&& \text{move the $ \color{blue}{ 8h } $ to the left side and $ \color{blue}{ 5 }$ to the right} \\[1 em]5h-8h &= -4-5&& \text{simplify left and right hand side} \\[1 em]-3h &= -9&& \text{ divide both sides by $ -3 $ } \\[1 em]h &= \frac{-9}{-3}&& \\[1 em]h &= 3&& \\[1 em] \end{aligned} $$

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