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 + 6y = 48, x = 6 → y = ____
  2. 3x + 6y = 48, x = 8 → y = ____
  3. x + y = 7, x − y = 5 → x = ____, y = ____
  4. 8x + 9y = 91, x = 8 → y = ____
  5. 6x + 8y = 30, x = 1 → y = ____
  6. x + y = 16, x − y = 0 → x = ____, y = ____
  7. x + y = 14, x − y = -2 → x = ____, y = ____
  8. x + y = 4, x − y = -2 → x = ____, y = ____
  9. x + y = 7, x − y = -1 → x = ____, y = ____
  10. 7x + 6y = 97, x = 7 → y = ____
  11. 6x + 2y = 24, x = 1 → y = ____
  12. x + y = 5, x − y = -1 → x = ____, y = ____
  13. 9x + 6y = 42, x = 4 → y = ____
  14. x + y = 15, x − y = -1 → x = ____, y = ____
  15. 6x + 9y = 39, x = 2 → y = ____
  16. 5x + 8y = 49, x = 5 → y = ____
  17. 5x + 9y = 64, x = 2 → y = ____
  18. x + y = 6, x − y = -2 → x = ____, y = ____
  19. 2x + 9y = 26, x = 4 → y = ____
  20. x + y = 8, x − y = 2 → x = ____, y = ____
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