$$5 p - 2 [ p - 3 ( p - 5 ) ] = 6$$
$p=4$
$$5p-2\left(p-3p+15\right)=6$$
$$5p-2\left(-2p+15\right)=6$$
$$5p+4p-30=6$$
$$9p-30=6$$
$$9p=6+30$$
$$9p=36$$
$$p=\frac{36}{9}$$
$$p=4$$
Show Solution
Hide Solution