Question
$$\frac{h}{4}+2 = -1$$
Answer
$$ h = -12 $$
Explanation
$$ \begin{aligned} \frac{h}{4}+2 &= -1&& \text{multiply ALL terms by } \color{blue}{ 4 }. \\[1 em]4 \cdot \frac{h}{4}+4\cdot2 &= 4\cdot(-1)&& \text{cancel out the denominators} \\[1 em]h+8 &= -4&& \text{ move 8 to the right } \\[1 em]h &= -4-8&& \\[1 em]h &= -12&& \\[1 em]h &= -12&& \\[1 em] \end{aligned} $$
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