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 = 11, x − y = -5 → x = ____, y = ____
  2. 6x + 2y = 52, x = 7 → y = ____
  3. x + y = 3, x − y = 1 → x = ____, y = ____
  4. x + y = 6, x − y = 2 → x = ____, y = ____
  5. x + y = 7, x − y = 1 → x = ____, y = ____
  6. 2x + 4y = 30, x = 1 → y = ____
  7. x + y = 3, x − y = -1 → x = ____, y = ____
  8. x + y = 9, x − y = -5 → x = ____, y = ____
  9. 9x + 5y = 116, x = 9 → y = ____
  10. x + y = 13, x − y = -5 → x = ____, y = ____
  11. 3x + 1y = 23, x = 6 → y = ____
  12. x + y = 5, x − y = 3 → x = ____, y = ____
  13. 4x + 4y = 48, x = 9 → y = ____
  14. x + y = 10, x − y = -6 → x = ____, y = ____
  15. x + y = 8, x − y = 4 → x = ____, y = ____
  16. x + y = 8, x − y = -6 → x = ____, y = ____
  17. 2x + 3y = 25, x = 5 → y = ____
  18. x + y = 10, x − y = 2 → x = ____, y = ____
  19. x + y = 7, x − y = 3 → x = ____, y = ____
  20. x + y = 9, x − y = -3 → x = ____, y = ____
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