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 = 7, x − y = 3 → x = ____, y = ____
  2. 6x + 2y = 34, x = 3 → y = ____
  3. x + y = 13, x − y = 3 → x = ____, y = ____
  4. 5x + 5y = 40, x = 1 → y = ____
  5. x + y = 9, x − y = 3 → x = ____, y = ____
  6. 5x + 9y = 33, x = 3 → y = ____
  7. 8x + 9y = 120, x = 6 → y = ____
  8. 9x + 5y = 82, x = 8 → y = ____
  9. 9x + 1y = 59, x = 6 → y = ____
  10. x + y = 9, x − y = -5 → x = ____, y = ____
  11. x + y = 16, x − y = -2 → x = ____, y = ____
  12. x + y = 14, x − y = 2 → x = ____, y = ____
  13. x + y = 16, x − y = 0 → x = ____, y = ____
  14. 6x + 4y = 68, x = 8 → y = ____
  15. x + y = 12, x − y = 0 → x = ____, y = ____
  16. 5x + 7y = 69, x = 4 → y = ____
  17. x + y = 6, x − y = -2 → x = ____, y = ____
  18. 4x + 6y = 28, x = 4 → y = ____
  19. x + y = 3, x − y = 1 → x = ____, y = ____
  20. 6x + 6y = 78, x = 8 → y = ____
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