# How do you solve for x in px-qx=r?

Feb 16, 2016

$x = \frac{r}{p - q}$

#### Explanation:

to isolate $x$ , remove it as a common factor on the let side

ie. $x \left(p - q\right) = r$

now divide both sides by $\left(p - q\right)$

$\frac{x \cancel{p - q}}{\cancel{p - q}} = \frac{r}{p - q}$