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 + 4y = 77, x = 5 → y = ____
  2. 7x + 1y = 67, x = 9 → y = ____
  3. x + y = 11, x − y = 5 → x = ____, y = ____
  4. x + y = 4, x − y = -2 → x = ____, y = ____
  5. x + y = 17, x − y = -1 → x = ____, y = ____
  6. 2x + 4y = 40, x = 6 → y = ____
  7. x + y = 11, x − y = 1 → x = ____, y = ____
  8. 4x + 4y = 44, x = 6 → y = ____
  9. x + y = 11, x − y = -7 → x = ____, y = ____
  10. x + y = 5, x − y = -1 → x = ____, y = ____
  11. x + y = 12, x − y = 4 → x = ____, y = ____
  12. 4x + 2y = 16, x = 2 → y = ____
  13. x + y = 13, x − y = 3 → x = ____, y = ____
  14. x + y = 16, x − y = -2 → x = ____, y = ____
  15. 1x + 6y = 62, x = 8 → y = ____
  16. x + y = 9, x − y = 7 → x = ____, y = ____
  17. x + y = 18, x − y = 0 → x = ____, y = ____
  18. 9x + 7y = 41, x = 3 → y = ____
  19. x + y = 15, x − y = 3 → x = ____, y = ____
  20. 3x + 1y = 17, x = 4 → y = ____
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