Evaluate each expression if a = -7, b = -3, and c = 5.
13. a - 8
14. 20 - b
15. a - c
16. c - b
17. b - a - c
18. c - b - a

Question

Evaluate each expression if a = -7, b = -3, and c = 5. 13. a - 8 14. 20 - b 15. a - c 16. c - b 17. b - a - c 18. c - b - a

SnapAndSolve AI · Accepted Answer

a - 8: Substitute a = -7. So, -7 - 8 = -15. 20 - b: Substitute b = -3. So, 20 - (-3) = 20 + 3 = 23. a - c: Substitute a = -7 and c = 5. So, -7 - 5 = -12. c - b: Substitute c = 5 and b = -3. So, 5 - (-3) = 5 + 3 = 8. b - a - c: Substitute b = -3, a = -7, and c = 5. So, -3 - (-7) - 5 = -3 + 7 - 5 = -1. c - b - a: Substitute c = 5, b = -3, and a = -7. So, 5 - (-3) - (-7) = 5 + 3 + 7 = 15.

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Evaluate each expression if a = -7, b = -3, and c = 5. 13. a - 8 14. 20 - b 15. a - c 16. c - b 17. b - a -...

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