Question

1. $\frac{z}{7}-6geq-5$

Explanation:

Step1: Add 6 to both sides

$\frac{z}{7} - 6 + 6 \geq -5 + 6$
Simplify to get: $\frac{z}{7} \geq 1$

Step2: Multiply both sides by 7

$\frac{z}{7} \times 7 \geq 1 \times 7$
Simplify to get: $z \geq 7$

Answer:

$z \geq 7$