1. Objective: Subtract integers

2. Solve for the unknown in each equation. 1.–4 + (-3) = a

3. Solve for the unknown in each equation. 1.–4 + (-3) = aa = -7

4. Solve for the unknown in each equation. 1.–4 + (-3) = a 2.b = 2 + (-6)

5. Solve for the unknown in each equation. 1.–4 + (-3) = a 2.b = 2 + (-6)b = -4

6. Solve for the unknown in each equation. 1.–4 + (-3) = a 2.b = 2 + (-6) 3.-1 + 4 + (-6) = c

7. Solve for the unknown in each equation. 1.–4 + (-3) = a 2.b = 2 + (-6) 3.-1 + 4 + (-6) = cc = -3

8. Subtracting Integers To subtract an integer, add its additive inverse.

9. Example Solve each equation. a.? = 6 – (-4)

10. Example Solve each equation. a.? = 6 – (-4) ? = 6 – (-4)To subtract –4, add 4

11. Example Solve each equation. a.? = 6 – (-4) ? = 6 – (-4)To subtract –4, add 4 ? = 6 + 4

12. Example Solve each equation. a.? = 6 – (-4) ? = 6 – (-4)To subtract –4, add 4 ? = 6 + 4 ? = 10

13. Example Solve each equation. b.(-3) – (-7) = ?

14. Example Solve each equation. b.(-3) – (-7) = ? (-3) – (-7) = ?To subtract –7, add 7

15. Example Solve each equation. b.(-3) – (-7) = ? (-3) – (-7) = ?To subtract –7, add 7 (-3) + 7 = ?

16. Example Solve each equation. b.(-3) – (-7) = ? (-3) – (-7) = ?To subtract –7, add 7 (-3) + 7 = ? 4 = ?

17. Example Solve each equation. c.(-11) – 5 = u

18. Example Solve each equation. c.(-11) – 5 = u (-11) – 5 = uTo subtract 5, add –5

19. Example Solve each equation. c.(-11) – 5 = u (-11) – 5 = uTo subtract 5, add –5 (-11) + (-5) = u

20. Example Solve each equation. c.(-11) – 5 = u (-11) – 5 = uTo subtract 5, add –5 (-11) + (-5) = u -16 = u

21. Example Solve each equation. d.x = 13 – 15

22. Example Solve each equation. d.x = 13 – 15 x = 13 – 15To subtract 15, add –15

23. Example Solve each equation. d.x = 13 – 15 x = 13 – 15To subtract 15, add –15 x = 13 + (-15)

24. Example Solve each equation. d.x = 13 – 15 x = 13 – 15To subtract 15, add –15 x = 13 + (-15) x = -2

25. COMPLETE THE FOLLOWING PROBLEMS: