Question

solve for z.
20 + 19z ≤ 1

Explanation:

Step1: Subtract 20 from both sides

$20 + 19z - 20 \leq 1 - 20$
$19z \leq -19$

Step2: Divide both sides by 19

$\frac{19z}{19} \leq \frac{-19}{19}$
$z \leq -1$

Answer:

$z \leq -1$