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 = 8, x − y = -6 → x = ____, y = ____
  2. x + y = 8, x − y = 2 → x = ____, y = ____
  3. 7x + 3y = 22, x = 1 → y = ____
  4. 1x + 4y = 31, x = 7 → y = ____
  5. 3x + 6y = 39, x = 5 → y = ____
  6. x + y = 13, x − y = 3 → x = ____, y = ____
  7. 1x + 9y = 25, x = 7 → y = ____
  8. x + y = 5, x − y = 3 → x = ____, y = ____
  9. x + y = 7, x − y = -3 → x = ____, y = ____
  10. x + y = 8, x − y = -2 → x = ____, y = ____
  11. x + y = 16, x − y = -2 → x = ____, y = ____
  12. x + y = 9, x − y = 1 → x = ____, y = ____
  13. x + y = 10, x − y = -4 → x = ____, y = ____
  14. x + y = 5, x − y = -3 → x = ____, y = ____
  15. x + y = 11, x − y = -5 → x = ____, y = ____
  16. 6x + 9y = 72, x = 9 → y = ____
  17. 7x + 8y = 74, x = 6 → y = ____
  18. x + y = 12, x − y = 4 → x = ____, y = ____
  19. x + y = 11, x − y = 5 → x = ____, y = ____
  20. 9x + 9y = 99, x = 4 → y = ____
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