__________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)

Answer key:

1. –4r
2. 5x + 2
3. 3k – 12
4. –15x
5. 4y – 1
6. 16m + 3
7. p
8. 4r + 1
9. 15x – 6
10. – m
11. k + 12
12. 11y – 6
13. –26r + 6
14. 2a
15. –23m + 15
16. 19z – 32
17. 7x + 16
18. –6y – 3
19. p + 1
20. –2k + 9
21. m – 14
22. –6y + 29
23. 5p + 7
24. –6z – 39
25. –4m – 10
26. x² + x
27. 8a² – 2a
28. –2r² + 6r
29. 9p² – 4p
30. –7x² + 9x
31. 3m + 11
32. –4p³ + 10p² + 5p – 5
33. 2x⁵ – x⁴ – 2x³ + 1
34. 14m² – 13m + 6
35. 2y³ – 11y² – 5y + 8