Question

question
solve.
$3(5z + 8) = -21$

Explanation:

Step1: Divide both sides by 3

$\frac{3(5z + 8)}{3} = \frac{-21}{3}$
$5z + 8 = -7$

Step2: Subtract 8 from both sides

$5z + 8 - 8 = -7 - 8$
$5z = -15$

Step3: Divide both sides by 5

$\frac{5z}{5} = \frac{-15}{5}$
$z = -3$

Answer:

$z = -3$