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. x + y = 10, x − y = 6 → x = ____, y = ____
  2. 1x + 3y = 22, x = 4 → y = ____
  3. 7x + 6y = 75, x = 9 → y = ____
  4. 7x + 6y = 69, x = 9 → y = ____
  5. 1x + 8y = 16, x = 8 → y = ____
  6. 9x + 1y = 47, x = 5 → y = ____
  7. 3x + 3y = 27, x = 3 → y = ____
  8. 8x + 1y = 18, x = 2 → y = ____
  9. 6x + 2y = 42, x = 4 → y = ____
  10. 3x + 2y = 28, x = 4 → y = ____
  11. x + y = 7, x − y = 1 → x = ____, y = ____
  12. 4x + 1y = 28, x = 5 → y = ____
  13. 8x + 6y = 48, x = 3 → y = ____
  14. 7x + 2y = 67, x = 9 → y = ____
  15. x + y = 5, x − y = 1 → x = ____, y = ____
  16. 5x + 4y = 77, x = 9 → y = ____
  17. 4x + 4y = 40, x = 2 → y = ____
  18. 9x + 2y = 20, x = 2 → y = ____
  19. x + y = 3, x − y = -1 → x = ____, y = ____
  20. 9x + 4y = 35, x = 3 → y = ____
Sistemas de ecuaciones Worksheet — Free Printable with Answer Key | WaffleMath