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. x + y = 17, x − y = -1 → x = ____, y = ____
  2. 5x + 9y = 58, x = 8 → y = ____
  3. x + y = 14, x − y = 2 → x = ____, y = ____
  4. x + y = 7, x − y = -3 → x = ____, y = ____
  5. 4x + 5y = 17, x = 3 → y = ____
  6. 5x + 5y = 70, x = 5 → y = ____
  7. x + y = 10, x − y = -8 → x = ____, y = ____
  8. 5x + 7y = 19, x = 1 → y = ____
  9. x + y = 16, x − y = 0 → x = ____, y = ____
  10. x + y = 10, x − y = -4 → x = ____, y = ____
  11. 7x + 7y = 70, x = 1 → y = ____
  12. x + y = 15, x − y = 1 → x = ____, y = ____
  13. 1x + 4y = 28, x = 8 → y = ____
  14. x + y = 15, x − y = -1 → x = ____, y = ____
  15. x + y = 7, x − y = 3 → x = ____, y = ____
  16. x + y = 13, x − y = -5 → x = ____, y = ____
  17. 4x + 7y = 57, x = 9 → y = ____
  18. x + y = 13, x − y = 3 → x = ____, y = ____
  19. x + y = 4, x − y = 0 → x = ____, y = ____
  20. x + y = 9, x − y = 7 → x = ____, y = ____
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