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 + 5y = 25, x = 1 → y = ____
  2. x + y = 7, x − y = -1 → x = ____, y = ____
  3. x + y = 12, x − y = -2 → x = ____, y = ____
  4. 1x + 2y = 20, x = 6 → y = ____
  5. x + y = 16, x − y = 2 → x = ____, y = ____
  6. x + y = 5, x − y = 3 → x = ____, y = ____
  7. 6x + 7y = 96, x = 9 → y = ____
  8. 6x + 1y = 47, x = 7 → y = ____
  9. x + y = 14, x − y = -2 → x = ____, y = ____
  10. x + y = 15, x − y = -1 → x = ____, y = ____
  11. x + y = 5, x − y = -1 → x = ____, y = ____
  12. 4x + 8y = 36, x = 3 → y = ____
  13. 4x + 2y = 20, x = 3 → y = ____
  14. 2x + 7y = 47, x = 6 → y = ____
  15. 9x + 1y = 63, x = 6 → y = ____
  16. 5x + 9y = 102, x = 6 → y = ____
  17. x + y = 2, x − y = 0 → x = ____, y = ____
  18. x + y = 12, x − y = -6 → x = ____, y = ____
  19. x + y = 10, x − y = 4 → x = ____, y = ____
  20. x + y = 10, x − y = -4 → x = ____, y = ____
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