# Evaluate: 5(3z-6)=15

## Expression: $5\left( 3z-6 \right)=15$

Divide both sides of the equation by $5$

$3z-6=3$

Move the constant to the right-hand side and change its sign

$3z=3+6$

$3z=9$
Divide both sides of the equation by $3$
$z=3$