Question
$$-15 = \frac{30}{w}$$
Answer
$$ w = -2 $$
Explanation
$$ \begin{aligned} -15 &= \frac{30}{w}&& \text{multiply ALL terms by } \color{blue}{ w }. \\[1 em]w\cdot(-15) &= w\cdot\frac{30}{w}&& \text{cancel out the denominators} \\[1 em]-15w &= 30&& \text{ divide both sides by $ -15 $ } \\[1 em]w &= -\frac{30}{15}&& \\[1 em]w &= -2&& \\[1 em] \end{aligned} $$
This page was created using
Equations Solver