solve this inequality. 7z - 4 - 4z ≥ 11 z ≥

Explanation:

Step1: Combine like terms

$$7z - 4z-4\geq11$$ $$3z - 4\geq11$$

Step2: Add 4 to both sides

$$3z-4 + 4\geq11 + 4$$ $$3z\geq15$$

Step3: Divide both sides by 3

$$\frac{3z}{3}\geq\frac{15}{3}$$ $$z\geq5$$

Answer:

$$z\geq5$$