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. 8x + 7y = 98, x = 7 → y = ____
  2. 6x + 7y = 62, x = 1 → y = ____
  3. 7x + 2y = 44, x = 6 → y = ____
  4. 4x + 8y = 44, x = 9 → y = ____
  5. x + y = 3, x − y = 1 → x = ____, y = ____
  6. 1x + 6y = 43, x = 1 → y = ____
  7. 8x + 1y = 46, x = 5 → y = ____
  8. 4x + 2y = 36, x = 6 → y = ____
  9. 2x + 7y = 47, x = 6 → y = ____
  10. x + y = 5, x − y = -3 → x = ____, y = ____
  11. x + y = 6, x − y = 4 → x = ____, y = ____
  12. 6x + 2y = 34, x = 4 → y = ____
  13. x + y = 5, x − y = 3 → x = ____, y = ____
  14. x + y = 12, x − y = -4 → x = ____, y = ____
  15. x + y = 16, x − y = -2 → x = ____, y = ____
  16. 5x + 7y = 40, x = 1 → y = ____
  17. 4x + 3y = 11, x = 2 → y = ____
  18. 5x + 3y = 48, x = 9 → y = ____
  19. 8x + 6y = 70, x = 8 → y = ____
  20. x + y = 7, x − y = 1 → x = ____, y = ____
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