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 + 5y = 25, x = 2 → y = ____
  2. x + y = 14, x − y = -2 → x = ____, y = ____
  3. x + y = 15, x − y = 1 → x = ____, y = ____
  4. x + y = 6, x − y = -2 → x = ____, y = ____
  5. x + y = 6, x − y = -4 → x = ____, y = ____
  6. x + y = 16, x − y = 2 → x = ____, y = ____
  7. x + y = 9, x − y = -7 → x = ____, y = ____
  8. x + y = 7, x − y = 1 → x = ____, y = ____
  9. x + y = 9, x − y = 1 → x = ____, y = ____
  10. x + y = 12, x − y = 6 → x = ____, y = ____
  11. x + y = 14, x − y = 2 → x = ____, y = ____
  12. x + y = 13, x − y = -3 → x = ____, y = ____
  13. x + y = 11, x − y = -1 → x = ____, y = ____
  14. x + y = 10, x − y = 8 → x = ____, y = ____
  15. 3x + 3y = 36, x = 3 → y = ____
  16. 5x + 8y = 76, x = 4 → y = ____
  17. x + y = 13, x − y = 5 → x = ____, y = ____
  18. 3x + 6y = 51, x = 3 → y = ____
  19. x + y = 10, x − y = 6 → x = ____, y = ____
  20. 9x + 6y = 30, x = 2 → y = ____
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