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Answer:
3. 2 + 10x < 90
4. 5(9 + a) ≤ 29
5. x + 6 < 102
6. 6 + x > 102
7. 7x - 1 > 8x - 4
8. Sorry. I don't know this one :(
9. 3x - 16
10. Sorry. I don't know this one :(
11. 10(x + 2) > 90
12. 66 ≤ x/7 + 7
13. Sorry. I don't know this one :(
14. 2x² + 5
15. x³ - 16
16. (x + 6)/2 ≥ -12
17. x/2 + 6 > -12
18. 9x - 4 < 5 + 3x
19. Sorry. I don't know this one :(
20. 9 + 5x ≤ 29
Step-by-step explanation:
Hoped this helped.