[tex]z \leqslant \frac{8}{21} [/tex]
Answer:
z ≤ 8/21
Step-by-step explanation:
Flip the inequality sign since you are multiplying by a negative number
21z-8 ≤ 0
1.2 Divide both sides by 21
z-(8/21) ≤ 0
Add 8/21 to both sides