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 = 26, x = 2 → y = ____
  2. 7x + 4y = 57, x = 7 → y = ____
  3. 4x + 4y = 40, x = 8 → y = ____
  4. 7x + 9y = 101, x = 8 → y = ____
  5. x + y = 12, x − y = -4 → x = ____, y = ____
  6. 3x + 1y = 16, x = 3 → y = ____
  7. x + y = 5, x − y = -3 → x = ____, y = ____
  8. 3x + 9y = 66, x = 1 → y = ____
  9. x + y = 12, x − y = 0 → x = ____, y = ____
  10. 3x + 2y = 20, x = 6 → y = ____
  11. 1x + 9y = 69, x = 6 → y = ____
  12. x + y = 10, x − y = 4 → x = ____, y = ____
  13. 3x + 5y = 17, x = 4 → y = ____
  14. 8x + 8y = 80, x = 3 → y = ____
  15. x + y = 13, x − y = 1 → x = ____, y = ____
  16. x + y = 13, x − y = -1 → x = ____, y = ____
  17. x + y = 7, x − y = 1 → x = ____, y = ____
  18. x + y = 12, x − y = 6 → x = ____, y = ____
  19. 6x + 3y = 69, x = 8 → y = ____
  20. x + y = 14, x − y = -2 → x = ____, y = ____
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