Sistemas de ecuaciones Worksheet

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Sistemas de ecuaciones Worksheet

Name: ____________________Date: ____________

Instructions: Resolución de sistemas de ecuaciones lineales por sustitución y eliminación.

20 problems

  1. 5x + 2y = 44, x = 6 → y = ____
  2. x + y = 3, x − y = -1 → x = ____, y = ____
  3. 9x + 8y = 17, x = 1 → y = ____
  4. 5x + 4y = 24, x = 4 → y = ____
  5. 7x + 7y = 35, x = 1 → y = ____
  6. 4x + 7y = 37, x = 4 → y = ____
  7. 1x + 7y = 12, x = 5 → y = ____
  8. 1x + 7y = 13, x = 6 → y = ____
  9. x + y = 8, x − y = -2 → x = ____, y = ____
  10. 5x + 7y = 51, x = 6 → y = ____
  11. 1x + 2y = 20, x = 8 → y = ____
  12. 2x + 5y = 47, x = 1 → y = ____
  13. x + y = 6, x − y = -2 → x = ____, y = ____
  14. 7x + 7y = 77, x = 8 → y = ____
  15. x + y = 7, x − y = 3 → x = ____, y = ____
  16. 2x + 2y = 8, x = 1 → y = ____
  17. 1x + 5y = 28, x = 8 → y = ____
  18. x + y = 7, x − y = -1 → x = ____, y = ____
  19. 3x + 2y = 15, x = 1 → y = ____
  20. x + y = 17, x − y = -1 → x = ____, y = ____
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