Answer:
1. (n-5)÷2 2. (n×2-8)+5 3. 5÷(8+n×2) 4. 8-(5×n) 5. 2÷(5-n) 6. (-n-5)² 7.
Step-by-step explanation:
1/2b + 2 ≤ 8
b ≤ 12