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 = 7, x − y = -1 → x = ____, y = ____
  2. 5x + 3y = 57, x = 6 → y = ____
  3. 2x + 6y = 42, x = 3 → y = ____
  4. 8x + 4y = 72, x = 6 → y = ____
  5. 7x + 5y = 62, x = 6 → y = ____
  6. x + y = 5, x − y = -3 → x = ____, y = ____
  7. 6x + 1y = 36, x = 5 → y = ____
  8. 8x + 5y = 28, x = 1 → y = ____
  9. x + y = 12, x − y = -6 → x = ____, y = ____
  10. 5x + 9y = 14, x = 1 → y = ____
  11. 6x + 3y = 30, x = 1 → y = ____
  12. 4x + 5y = 77, x = 8 → y = ____
  13. 9x + 6y = 27, x = 1 → y = ____
  14. x + y = 10, x − y = 6 → x = ____, y = ____
  15. 6x + 1y = 40, x = 6 → y = ____
  16. x + y = 11, x − y = 3 → x = ____, y = ____
  17. x + y = 12, x − y = -2 → x = ____, y = ____
  18. x + y = 16, x − y = -2 → x = ____, y = ____
  19. 6x + 2y = 48, x = 5 → y = ____
  20. 7x + 8y = 71, x = 1 → y = ____