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. x + y = 14, x − y = -4 → x = ____, y = ____
  2. 9x + 8y = 73, x = 1 → y = ____
  3. 9x + 3y = 30, x = 3 → y = ____
  4. 9x + 5y = 60, x = 5 → y = ____
  5. x + y = 6, x − y = 0 → x = ____, y = ____
  6. 1x + 1y = 4, x = 3 → y = ____
  7. 5x + 4y = 65, x = 9 → y = ____
  8. x + y = 8, x − y = 6 → x = ____, y = ____
  9. x + y = 10, x − y = 4 → x = ____, y = ____
  10. 9x + 8y = 51, x = 3 → y = ____
  11. x + y = 16, x − y = 0 → x = ____, y = ____
  12. x + y = 4, x − y = 2 → x = ____, y = ____
  13. 9x + 3y = 18, x = 1 → y = ____
  14. 5x + 6y = 27, x = 3 → y = ____
  15. 6x + 6y = 102, x = 8 → y = ____
  16. x + y = 7, x − y = 1 → x = ____, y = ____
  17. 7x + 6y = 66, x = 6 → y = ____
  18. 7x + 5y = 65, x = 5 → y = ____
  19. 4x + 8y = 48, x = 2 → y = ____
  20. x + y = 11, x − y = -1 → x = ____, y = ____
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