Question

Solve the following equation for $p$:
$12-\frac{p}{3}=1$

Answer 1

$12-\frac{p}{3}=1$

$\Rightarrow \frac{36-p}{3}=1$

$\Rightarrow 36-p=3$

$\Rightarrow 36-3=p$

$\therefore p=33$.