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Combine Like Terms
______1. 2r + 8r – 4r – r – 9r
______2. 4x – 6x + 8 – 9 – (-3) + 7x
______3. 3(2k – 4) – (k+2) – 2(k – 1)
______4. 3x –2x – 10x + x – 7x
______5. 5y – 7y + 11 – 13 – (-1) + 6y
______6. 4( 5m – 1) – (m + 5) – 3(m – 4)
______7. 3p – 5p –7p – p + 11p
______8. 3r – 8r + 4 – 7 – (-4) + 9r
______9. 6(3x – 2) - (x + 4) – 2(x – 5)
______10. 7m + 5m – 8m + m – 6m
______11. 3k – 5k + 8 –1 – (-5) + 3k
______12. 7(2y –1) – (y + 5) –2(y – 3)
______13. –9r – 8r + 2r – 11r + 6
______14. 12a – 7a + 11a – 14a
______15. –9(2m –3) – 4m – 12 – m
______16. –5(6 – z ) – (2 – 11z) + 3z
______17. 4x + 3x + 7 + 9
______18. –12y + 4y – 3 + 2y
______19. –6p + 11p – 4p + 6 – 5
______20. 3(k + 2) – 5k + 6 – 3 ______21. –2(m + 1) + 3(m – 4)
______22. 3(2y + 3) – 4(3y – 5)
______23. –(2p + 5) + 3(2p + 4) + p
______24. 2 + 3(2z – 5) – 3(4z + 6) – 8
______25. 1m + 2(-m + 4) – 3(m + 6)
______26. 6x – 5x + x 2
______27. 2a2 + 3a – 5a + 6a2
______28. 8r + 3r2 – 5r2 – 2r
______29. 3p2 + 5p + 6p2 – 9p
______30. 3x + 5x2 – 3x2 + 2x – 3x2 + 4x – 6x2
______31. 4 – (2 + 3m) + 6m + 9
______32. (3p2 + 2p – 5) +(7p2 – 4p3 + 3p)
______33. (2x5 – 2x4 + x3 – 1) + (x4 – 3x3 + 2)
______34. (6m2 – 11m + 5) – (-8m2 + 2m – 1)
______35. (6y3 – 9y2 + 8) – (4y3 + 2y2 + 5y)