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. 2x + 4y = 46, x = 5 → y = ____
  2. 4x + 7y = 81, x = 8 → y = ____
  3. 2x + 5y = 51, x = 3 → y = ____
  4. 6x + 2y = 44, x = 6 → y = ____
  5. 7x + 9y = 130, x = 7 → y = ____
  6. 6x + 1y = 35, x = 5 → y = ____
  7. 8x + 1y = 29, x = 3 → y = ____
  8. 1x + 5y = 22, x = 7 → y = ____
  9. x + y = 15, x − y = -3 → x = ____, y = ____
  10. x + y = 14, x − y = 0 → x = ____, y = ____
  11. 8x + 6y = 78, x = 9 → y = ____
  12. 2x + 3y = 34, x = 8 → y = ____
  13. 3x + 4y = 42, x = 2 → y = ____
  14. 1x + 2y = 9, x = 3 → y = ____
  15. x + y = 13, x − y = -3 → x = ____, y = ____
  16. 8x + 9y = 73, x = 8 → y = ____
  17. x + y = 18, x − y = 0 → x = ____, y = ____
  18. 6x + 1y = 28, x = 4 → y = ____
  19. x + y = 12, x − y = -6 → x = ____, y = ____
  20. x + y = 17, x − y = -1 → x = ____, y = ____