Examples 1–4 Subtract.
- 14 - 17 2. 10 - 30
33 - 4 - 8 4. - 2 - 23 - 14 - (-10) 6. 5 - (-16)
- 3 - (-1) 8. - 11 - (-9)
Example 5 ALGEBRA Evaluate each expression if p = 8, q = -14, and r = -6.
- r - 15 10. q - r 11. p - q
Example 6 12. EARTH SCIENCE The sea surface temperatures range from -2°C to 31°C.
Find the difference between the maximum and minimum temperatures.
= Step-by-Step Solutions begin on page R1.
Extra Practice begins on page EP2.
Examples 1–4 Subtract.
- 0 - 10 14. 13 - 17 15. - 9 - 5 16. - 8 - 9
- 12 - 26 18. 31 - 48 19. - 25 - 5 20. - 44 - 41
- 4 - (-19) 22. 27 - (-8) 23. - 11 - (-42) 24. - 27 - (-19)
- 52 - (-52) 26. 15 - (-14) 27. - 27 - (-33) 28. - 18 - (-20)
Example 5 ALGEBRA Evaluate each expression if f = -6, g = 7, and h = 9.
- g - 7 30. f - 6 31. - h - (-9) 32. f - g
- h - f 34. g - h 35. 5 - f 36. 4 - (-g)
Example 6 3737 ANALYZE TABLES Use the information below.
State Alabama California Florida Louisiana New Mexico
Lowest Elevation (ft) 0 - 282 0 - 8 2,842
Highest Elevation (ft) 2,407 14,494 345 535 13,161
a. What is the difference between the highest elevation in Alabama and
the lowest elevation in Louisiana?
b. Find the difference between the lowest elevation in New Mexico and
the lowest elevation in California.
c. Find the difference between the highest elevation in Florida and the
lowest elevation in California.
d. What is the difference between the lowest elevation in Alabama and
in Louisiana?
ALGEBRA Evaluate each expression if h = -12, j = 4, and k = 15.
B 38. - j + h - k 39. (^) ⎪h - j⎥ 40. k - j - h
Lesson 2D Add and Subtract Integers 97
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