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. 9x + 1y = 60, x = 6 → y = ____
  2. x + y = 15, x − y = -1 → x = ____, y = ____
  3. x + y = 9, x − y = 5 → x = ____, y = ____
  4. x + y = 17, x − y = -1 → x = ____, y = ____
  5. x + y = 12, x − y = 2 → x = ____, y = ____
  6. x + y = 4, x − y = 2 → x = ____, y = ____
  7. x + y = 9, x − y = 1 → x = ____, y = ____
  8. 2x + 4y = 30, x = 5 → y = ____
  9. 3x + 9y = 99, x = 6 → y = ____
  10. x + y = 9, x − y = 7 → x = ____, y = ____
  11. 2x + 7y = 39, x = 9 → y = ____
  12. x + y = 13, x − y = 1 → x = ____, y = ____
  13. 2x + 6y = 30, x = 6 → y = ____
  14. x + y = 8, x − y = 2 → x = ____, y = ____
  15. x + y = 11, x − y = -5 → x = ____, y = ____
  16. x + y = 3, x − y = 1 → x = ____, y = ____
  17. x + y = 8, x − y = 0 → x = ____, y = ____
  18. x + y = 11, x − y = -1 → x = ____, y = ____
  19. x + y = 11, x − y = 5 → x = ____, y = ____
  20. 7x + 4y = 91, x = 9 → y = ____
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