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. 6x + 2y = 40, x = 6 → y = ____
  2. x + y = 12, x − y = -2 → x = ____, y = ____
  3. x + y = 17, x − y = -1 → x = ____, y = ____
  4. x + y = 11, x − y = 3 → x = ____, y = ____
  5. 2x + 7y = 42, x = 7 → y = ____
  6. 4x + 2y = 52, x = 9 → y = ____
  7. x + y = 8, x − y = 4 → x = ____, y = ____
  8. x + y = 7, x − y = 1 → x = ____, y = ____
  9. 8x + 7y = 45, x = 3 → y = ____
  10. 1x + 7y = 69, x = 6 → y = ____
  11. x + y = 10, x − y = 6 → x = ____, y = ____
  12. 8x + 1y = 12, x = 1 → y = ____
  13. 9x + 3y = 48, x = 4 → y = ____
  14. x + y = 3, x − y = -1 → x = ____, y = ____
  15. x + y = 7, x − y = -1 → x = ____, y = ____
  16. x + y = 16, x − y = -2 → x = ____, y = ____
  17. x + y = 12, x − y = 2 → x = ____, y = ____
  18. x + y = 15, x − y = 1 → x = ____, y = ____
  19. 4x + 8y = 84, x = 7 → y = ____
  20. x + y = 10, x − y = -6 → x = ____, y = ____
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