Question
$$\frac{19}{x} = 7$$
Answer
$$ x = \dfrac{19}{7} $$
Explanation
$$ \begin{aligned} \frac{19}{x} &= 7&& \text{multiply ALL terms by } \color{blue}{ x }. \\[1 em]x\cdot\frac{19}{x} &= x\cdot7&& \text{cancel out the denominators} \\[1 em]19 &= 7x&& \text{ swap the left and right side of the equation } \\[1 em]7x &= 19&& \text{ divide both sides by $ 7 $ } \\[1 em]x &= \frac{19}{7}&& \\[1 em] \end{aligned} $$
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