Respuesta :

5 (z–3) ≥5​

Apply distributive property:

5(z)+5(-3) ≥ 5

5z-15 ≥ 5

Add 15 to both sides of the inequality:

5z-15+15≥ 5+15

5z ≥ 20

Divide both sides by 5

5z/5 ≥ 20/5

z≥ 4

graph: