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 + 3y = 16, x = 1 → y = ____
  2. 2x + 8y = 24, x = 4 → y = ____
  3. 3x + 3y = 48, x = 7 → y = ____
  4. x + y = 13, x − y = 1 → x = ____, y = ____
  5. 4x + 9y = 13, x = 1 → y = ____
  6. x + y = 15, x − y = 3 → x = ____, y = ____
  7. x + y = 12, x − y = -6 → x = ____, y = ____
  8. x + y = 6, x − y = -4 → x = ____, y = ____
  9. 7x + 8y = 67, x = 5 → y = ____
  10. 1x + 7y = 54, x = 5 → y = ____
  11. x + y = 8, x − y = -6 → x = ____, y = ____
  12. x + y = 5, x − y = -1 → x = ____, y = ____
  13. 3x + 6y = 45, x = 5 → y = ____
  14. 8x + 3y = 65, x = 7 → y = ____
  15. 5x + 9y = 81, x = 9 → y = ____
  16. x + y = 9, x − y = 7 → x = ____, y = ____
  17. x + y = 15, x − y = -3 → x = ____, y = ____
  18. 3x + 1y = 11, x = 2 → y = ____
  19. x + y = 12, x − y = 6 → x = ____, y = ____
  20. 4x + 8y = 32, x = 2 → y = ____
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