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 + 2y = 24, x = 2 → y = ____
  2. 6x + 6y = 60, x = 5 → y = ____
  3. 8x + 4y = 60, x = 6 → y = ____
  4. 2x + 2y = 14, x = 4 → y = ____
  5. x + y = 6, x − y = -4 → x = ____, y = ____
  6. x + y = 3, x − y = 1 → x = ____, y = ____
  7. x + y = 9, x − y = 7 → x = ____, y = ____
  8. x + y = 12, x − y = 6 → x = ____, y = ____
  9. 5x + 5y = 70, x = 5 → y = ____
  10. 6x + 3y = 30, x = 4 → y = ____
  11. x + y = 15, x − y = -1 → x = ____, y = ____
  12. 9x + 8y = 108, x = 4 → y = ____
  13. x + y = 10, x − y = 8 → x = ____, y = ____
  14. 7x + 8y = 82, x = 6 → y = ____
  15. 5x + 1y = 41, x = 8 → y = ____
  16. 3x + 8y = 85, x = 7 → y = ____
  17. 5x + 8y = 94, x = 6 → y = ____
  18. x + y = 11, x − y = 7 → x = ____, y = ____
  19. 2x + 1y = 20, x = 6 → y = ____
  20. x + y = 9, x − y = -7 → x = ____, y = ____
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