# Assignment # _____ - Combining Like Terms by kqC0O3

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```									Assignment #______ Combining Like Terms (P2)                      Name ___________________________

Standards: AF 1.3 Simplifying Variable Expressions                Pre-Algebra, Period _______

Date ____________________________

Add the following LIKE terms. “When you add two different signs…” “Two of the same sign…”

1. 6x + 3x =                        2. 15m + (– 5m) =                    3. 3x + 7x =

4. 6 + x + 4 =                      5. –2 + t + 10 =                     6. 5 + m + m + m =

7. 7.6x + 4.8x =                    8. –5 + x + x + 13 =                 9. 65n + 48n =

10. 4x + 8y + 3x =                  11. 5y + 8y + 4z =                   12. 3 + 9b + 10 =

13. 8x2 + 2x2 + 7x =                14. 6xy + 3xy + 3x =                 15. 7a + 5c + 4c =

16. 6a + 7b + 5a + 7b =             17. 3x + 6y + 2y + 8x =              18. 9x2 + 10 + 4x2 + 7 =

19. 7x2y + 8 + (–5x2y) + 4 =        20. 5a + 3b + 4c + 2a =              21. 6x3 + 9x + 10x3 + 4x2 =

22. 10x4 + (–8x3) + 4x3 + (–5x2) + 3x =                    23. 8x + 6 + 7x + (–10) + (–5x) + 8 =
Here are some expressions with subtraction. Remember the subtraction rule (add the opposite).

24. 12a – 2a =                         25. 3x – 7x =                         26. 2xy – 7xy =

27. 3m – 10m =                         28. 4xy – xy =                        29. 5x + 3x – 11x =

30. 4m + m – 2m =                                      31. 6x2y – 2x2y – 10x2y + 8x2y =

Remember, just combine LIKE terms.

32. 3a + 5b – 7b =                     33. 8s – 3x + 4k =                    34. 10x + 6y – 5x =

35. 10x – 6y + 5x =                    36. 16a + 9 – 7a =                    37. a + 2b – 8a =

38. 2x – 6y + 7x + 2y =                39. 6s2 – 3x2 + 4t – 6s2 =            40. 8a2 + 4ab + 6a – 8a2 =

41. 9x2 + 2x + 7 – 5x2 + 9x – 8 + 3x =                 42. 6x – 7 + 8x3 – 4x – 6x3 – 1 – 8x – 2x3 =

43. 5 + x – 3 + 2x – x + 7 – 8 + x =                   44. 6x2y + 3xy2 – 4x2y – 3xy2 + 9x + x2y – 20x =

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