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. 9x + 5y = 92, x = 8 → y = ____
  2. 7x + 8y = 97, x = 7 → y = ____
  3. 1x + 2y = 16, x = 8 → y = ____
  4. 9x + 9y = 63, x = 6 → y = ____
  5. x + y = 15, x − y = 1 → x = ____, y = ____
  6. x + y = 10, x − y = 0 → x = ____, y = ____
  7. 4x + 9y = 55, x = 7 → y = ____
  8. 6x + 3y = 72, x = 9 → y = ____
  9. x + y = 9, x − y = 1 → x = ____, y = ____
  10. 9x + 9y = 99, x = 5 → y = ____
  11. x + y = 4, x − y = 2 → x = ____, y = ____
  12. 3x + 4y = 47, x = 9 → y = ____
  13. x + y = 9, x − y = -5 → x = ____, y = ____
  14. 7x + 6y = 63, x = 3 → y = ____
  15. 8x + 1y = 47, x = 5 → y = ____
  16. 2x + 6y = 54, x = 3 → y = ____
  17. x + y = 13, x − y = 3 → x = ____, y = ____
  18. x + y = 2, x − y = 0 → x = ____, y = ____
  19. 5x + 3y = 60, x = 9 → y = ____
  20. 5x + 2y = 19, x = 3 → y = ____