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 + 1y = 33, x = 5 → y = ____
  2. 4x + 7y = 62, x = 5 → y = ____
  3. x + y = 15, x − y = 3 → x = ____, y = ____
  4. 8x + 6y = 56, x = 1 → y = ____
  5. 7x + 2y = 52, x = 6 → y = ____
  6. 8x + 7y = 120, x = 8 → y = ____
  7. x + y = 3, x − y = -1 → x = ____, y = ____
  8. 3x + 2y = 33, x = 7 → y = ____
  9. x + y = 8, x − y = 2 → x = ____, y = ____
  10. x + y = 14, x − y = 4 → x = ____, y = ____
  11. x + y = 12, x − y = 6 → x = ____, y = ____
  12. x + y = 10, x − y = 8 → x = ____, y = ____
  13. x + y = 15, x − y = -3 → x = ____, y = ____
  14. x + y = 10, x − y = 2 → x = ____, y = ____
  15. 9x + 8y = 135, x = 7 → y = ____
  16. x + y = 16, x − y = -2 → x = ____, y = ____
  17. 3x + 5y = 23, x = 6 → y = ____
  18. 4x + 6y = 46, x = 7 → y = ____
  19. x + y = 13, x − y = 3 → x = ____, y = ____
  20. x + y = 15, x − y = -1 → x = ____, y = ____
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