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Solve systems by elimination

8th grade (Year 9 in England) Β· 16 questions Β· Common Core: 8.EE.C.8.B Β· England: KS3 Algebra, GCSE Foundation Algebra

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  1. Question 1

    Solve: 2x + 2y = βˆ’10 and x βˆ’ 2y = 10. Type the solution like (2, βˆ’3).

    Answer

  2. Question 2

    Solve: 4x + 4y = 40 and 8x + 3y = 65. Type the solution like (2, βˆ’3).

    Answer

  3. Question 3

    Solve: 3x + 5y = 18 and 5x βˆ’ 5y = βˆ’10. Type the solution like (2, βˆ’3).

    Answer

  4. Question 4

    Solve: 2x + y = βˆ’5 and 6x βˆ’ 3y = 15. Type the solution like (2, βˆ’3).

    Answer

  5. Question 5

    Solve: x + 3y = βˆ’8 and 5x βˆ’ 3y = βˆ’4. Type the solution like (2, βˆ’3).

    Answer

  6. Question 6

    Solve: 3x + 4y = βˆ’35 and 6x + 3y = βˆ’45. Type the solution like (2, βˆ’3).

    Answer

  7. Question 7

    Solve: 3x + 5y = βˆ’36 and x βˆ’ 5y = 28. Type the solution like (2, βˆ’3).

    Answer

  8. Question 8

    Solve: x + 2y = βˆ’9 and 2x βˆ’ 2y = βˆ’6. Type the solution like (2, βˆ’3).

    Answer

  9. Question 9

    Solve: 4x + 3y = 17 and 5x βˆ’ 3y = βˆ’26. Type the solution like (2, βˆ’3).

    Answer

  10. Question 10

    Solve: 3x + 2y = 9 and 6x βˆ’ 3y = βˆ’24. Type the solution like (2, βˆ’3).

    Answer

  11. Question 11

    Solve: 4x + 2y = βˆ’24 and 2x βˆ’ 2y = 6. Type the solution like (2, βˆ’3).

    Answer

  12. Question 12

    Solve: 4x + 3y = 20 and 8x βˆ’ y = βˆ’16. Type the solution like (2, βˆ’3).

    Answer

  13. Question 13

    Solve: 4x + 2y = βˆ’14 and 4x βˆ’ 2y = βˆ’26. Type the solution like (2, βˆ’3).

    Answer

  14. Question 14

    Solve: x + 3y = 13 and 3x + y = 7. Type the solution like (2, βˆ’3).

    Answer

  15. Question 15

    Solve: x + 4y = 28 and x βˆ’ 4y = βˆ’20. Type the solution like (2, βˆ’3).

    Answer

  16. Question 16

    Solve: x + 3y = 23 and 2x + 2y = 14. Type the solution like (2, βˆ’3).

    Answer

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  1. (0, βˆ’5)
  2. (7, 3)
  3. (1, 3)
  4. (0, βˆ’5)
  5. (βˆ’2, βˆ’2)
  6. (βˆ’5, βˆ’5)
  7. (βˆ’2, βˆ’6)
  8. (βˆ’5, βˆ’2)
  9. (βˆ’1, 7)
  10. (βˆ’1, 6)
  11. (βˆ’3, βˆ’6)
  12. (βˆ’1, 8)
  13. (βˆ’5, 3)
  14. (1, 4)
  15. (4, 6)
  16. (βˆ’1, 8)