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Combine like terms with negative coefficients

Year 7 maths · Fieldbook Learning

Name ______________________ Date __________

Add the x terms together and the plain numbers together. Write the answer as ax + b.

  1. Simplify: 3x − 2 + 5x. Write your answer as ax + b.
  2. Simplify: −5 − 2x − 2x. Write your answer as ax + b.
  3. Simplify: 5x − 4 + 5x. Write your answer as ax + b.
  4. Simplify: −4x − 4x + 5. Write your answer as ax + b.
  5. Simplify: −5x − 5x − 3 + 8. Write your answer as ax + b.
  6. Simplify: 5 + 2x − 6 − 7x. Write your answer as ax + b.
  7. Simplify: 7x − 8 − 7 − 5x. Write your answer as ax + b.
  8. Simplify: 6x − x + 5 − 4. Write your answer as ax + b.
  9. Simplify: −8 − 6x − 12 + 3x. Write your answer as ax + b.
  10. Simplify: 10x − 9 − 12x + 5. Write your answer as ax + b.
  11. Simplify: 7x − 11 + 4x − 9. Write your answer as ax + b.
  12. Simplify: 6x + 9x − 6 − 1. Write your answer as ax + b.
  13. Simplify: 10x − 15 − 16x − 20x + 13. Write your answer as ax + b.
  14. Simplify: 6x + 16x − 10 + 3x − 6. Write your answer as ax + b.
  15. Simplify: 4x − 13 − 3x − 9x − 4. Write your answer as ax + b.
  16. Simplify: −14x − 15x − 11x + 13 + 16. Write your answer as ax + b.
  17. Simplify: −25x − 8x + 29x + 18 − 9 + 30. Write your answer as ax + b.
  18. Simplify: 14 − 20x − 5x − 18x − 21 − 1. Write your answer as ax + b.
  19. Simplify: 30 − 22x − 18 − 14x − 30 + 12x. Write your answer as ax + b.
  20. Simplify: 11x − 19 − 8x − 8 − 19x + 8. Write your answer as ax + b.
More free practice: fieldbooklearning.com/au/practice/year-7/combine-like-terms-with-negative-coefficients/

Answer key: Combine like terms with negative coefficients

  1. 8x - 2
  2. -4x - 5
  3. 10x - 4
  4. -8x + 5
  5. -10x + 5
  6. -5x - 1
  7. 2x - 15
  8. 5x + 1
  9. -3x - 20
  10. -2x - 4
  11. 11x - 20
  12. 15x - 7
  13. -26x - 2
  14. 25x - 16
  15. -8x - 17
  16. -40x + 29
  17. -4x + 39
  18. -43x - 8
  19. -24x - 18
  20. -16x - 19