# How do you solve 243=27r?

Jun 9, 2017

$r = 9$

#### Explanation:

Rewriting equation so $r$ is on the left hand side for convenience,
$27 r = 243$

To isolate $r$, divide both sides by $27$,
$\frac{27 r}{27} = \frac{243}{27}$

$r = 9$