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. 1x + 3y = 13, x = 4 → y = ____
  2. 6x + 1y = 59, x = 9 → y = ____
  3. 8x + 9y = 74, x = 7 → y = ____
  4. x + y = 15, x − y = 3 → x = ____, y = ____
  5. x + y = 10, x − y = -4 → x = ____, y = ____
  6. 6x + 1y = 41, x = 6 → y = ____
  7. 3x + 5y = 41, x = 7 → y = ____
  8. 5x + 9y = 121, x = 8 → y = ____
  9. x + y = 6, x − y = 2 → x = ____, y = ____
  10. 1x + 8y = 63, x = 7 → y = ____
  11. x + y = 9, x − y = 5 → x = ____, y = ____
  12. x + y = 10, x − y = -8 → x = ____, y = ____
  13. 7x + 7y = 70, x = 7 → y = ____
  14. x + y = 7, x − y = -1 → x = ____, y = ____
  15. x + y = 8, x − y = -6 → x = ____, y = ____
  16. 2x + 9y = 50, x = 7 → y = ____
  17. 9x + 9y = 135, x = 9 → y = ____
  18. x + y = 13, x − y = -3 → x = ____, y = ____
  19. x + y = 5, x − y = 3 → x = ____, y = ____
  20. 6x + 2y = 52, x = 7 → y = ____