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. 7x + 7y = 28, x = 2 → y = ____
  2. 4x + 4y = 40, x = 9 → y = ____
  3. 2x + 3y = 10, x = 2 → y = ____
  4. 4x + 2y = 20, x = 4 → y = ____
  5. 6x + 4y = 42, x = 5 → y = ____
  6. x + y = 4, x − y = 2 → x = ____, y = ____
  7. x + y = 11, x − y = 1 → x = ____, y = ____
  8. x + y = 14, x − y = 4 → x = ____, y = ____
  9. x + y = 8, x − y = -2 → x = ____, y = ____
  10. x + y = 9, x − y = -3 → x = ____, y = ____
  11. 6x + 9y = 84, x = 8 → y = ____
  12. x + y = 12, x − y = -4 → x = ____, y = ____
  13. x + y = 4, x − y = -2 → x = ____, y = ____
  14. x + y = 16, x − y = 0 → x = ____, y = ____
  15. 2x + 4y = 18, x = 5 → y = ____
  16. x + y = 3, x − y = -1 → x = ____, y = ____
  17. 6x + 1y = 43, x = 6 → y = ____
  18. 2x + 8y = 40, x = 4 → y = ____
  19. 4x + 4y = 8, x = 1 → y = ____
  20. x + y = 7, x − y = 3 → x = ____, y = ____
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