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. 4x + 6y = 22, x = 1 → y = ____
  2. 5x + 1y = 45, x = 8 → y = ____
  3. 7x + 3y = 39, x = 3 → y = ____
  4. x + y = 12, x − y = 4 → x = ____, y = ____
  5. 7x + 5y = 19, x = 2 → y = ____
  6. x + y = 14, x − y = -2 → x = ____, y = ____
  7. x + y = 12, x − y = -4 → x = ____, y = ____
  8. 6x + 3y = 48, x = 5 → y = ____
  9. 7x + 7y = 77, x = 9 → y = ____
  10. x + y = 12, x − y = 0 → x = ____, y = ____
  11. 5x + 4y = 34, x = 6 → y = ____
  12. x + y = 12, x − y = -2 → x = ____, y = ____
  13. 2x + 3y = 12, x = 3 → y = ____
  14. x + y = 11, x − y = -3 → x = ____, y = ____
  15. 2x + 7y = 23, x = 8 → y = ____
  16. x + y = 14, x − y = 4 → x = ____, y = ____
  17. x + y = 5, x − y = 1 → x = ____, y = ____
  18. 6x + 5y = 45, x = 5 → y = ____
  19. 3x + 4y = 24, x = 4 → y = ____
  20. x + y = 12, x − y = 6 → x = ____, y = ____