Sistemi di equazioni Worksheet

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Sistemi di equazioni Worksheet

Nome: ____________________Date: ____________

Instructions: Risoluzione di sistemi di equazioni lineari mediante sostituzione ed eliminazione.

20 problems

  1. 5x + 6y = 67, x = 5 → y = ____
  2. x + y = 13, x − y = -1 → x = ____, y = ____
  3. 7x + 1y = 14, x = 1 → y = ____
  4. 5x + 8y = 53, x = 9 → y = ____
  5. x + y = 15, x − y = 3 → x = ____, y = ____
  6. 6x + 7y = 20, x = 1 → y = ____
  7. x + y = 8, x − y = 2 → x = ____, y = ____
  8. 9x + 3y = 108, x = 9 → y = ____
  9. x + y = 11, x − y = -7 → x = ____, y = ____
  10. x + y = 8, x − y = 4 → x = ____, y = ____
  11. x + y = 10, x − y = 4 → x = ____, y = ____
  12. x + y = 6, x − y = -4 → x = ____, y = ____
  13. 6x + 7y = 40, x = 2 → y = ____
  14. x + y = 13, x − y = -3 → x = ____, y = ____
  15. 6x + 1y = 44, x = 7 → y = ____
  16. x + y = 5, x − y = -1 → x = ____, y = ____
  17. 9x + 2y = 17, x = 1 → y = ____
  18. 1x + 3y = 17, x = 5 → y = ____
  19. x + y = 2, x − y = 0 → x = ____, y = ____
  20. x + y = 13, x − y = 3 → x = ____, y = ____
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