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. 7x + 2y = 46, x = 6 → y = ____
  2. x + y = 7, x − y = 5 → x = ____, y = ____
  3. 4x + 7y = 75, x = 3 → y = ____
  4. 8x + 5y = 18, x = 1 → y = ____
  5. 8x + 8y = 96, x = 9 → y = ____
  6. x + y = 11, x − y = 1 → x = ____, y = ____
  7. 6x + 6y = 12, x = 1 → y = ____
  8. x + y = 9, x − y = 5 → x = ____, y = ____
  9. x + y = 11, x − y = 7 → x = ____, y = ____
  10. x + y = 7, x − y = -3 → x = ____, y = ____
  11. x + y = 8, x − y = 4 → x = ____, y = ____
  12. 8x + 5y = 53, x = 1 → y = ____
  13. x + y = 8, x − y = -4 → x = ____, y = ____
  14. 2x + 5y = 63, x = 9 → y = ____
  15. x + y = 15, x − y = -3 → x = ____, y = ____
  16. 2x + 2y = 16, x = 2 → y = ____
  17. 5x + 6y = 32, x = 4 → y = ____
  18. 4x + 6y = 26, x = 5 → y = ____
  19. 3x + 2y = 24, x = 6 → y = ____
  20. x + y = 14, x − y = -2 → x = ____, y = ____
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