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. 9x + 8y = 60, x = 4 → y = ____
  2. x + y = 17, x − y = 1 → x = ____, y = ____
  3. x + y = 18, x − y = 0 → x = ____, y = ____
  4. x + y = 11, x − y = 3 → x = ____, y = ____
  5. x + y = 12, x − y = 6 → x = ____, y = ____
  6. x + y = 10, x − y = -4 → x = ____, y = ____
  7. 9x + 4y = 61, x = 5 → y = ____
  8. 6x + 1y = 45, x = 7 → y = ____
  9. 2x + 2y = 12, x = 2 → y = ____
  10. 7x + 5y = 29, x = 2 → y = ____
  11. x + y = 12, x − y = 4 → x = ____, y = ____
  12. x + y = 8, x − y = 0 → x = ____, y = ____
  13. 5x + 7y = 67, x = 5 → y = ____
  14. x + y = 13, x − y = -3 → x = ____, y = ____
  15. x + y = 7, x − y = -1 → x = ____, y = ____
  16. 7x + 8y = 100, x = 4 → y = ____
  17. x + y = 10, x − y = 4 → x = ____, y = ____
  18. x + y = 7, x − y = -3 → x = ____, y = ____
  19. x + y = 16, x − y = -2 → x = ____, y = ____
  20. x + y = 12, x − y = 0 → x = ____, y = ____
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