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. 8x + 2y = 26, x = 1 → y = ____
  2. x + y = 15, x − y = -1 → x = ____, y = ____
  3. 1x + 7y = 72, x = 9 → y = ____
  4. x + y = 13, x − y = -3 → x = ____, y = ____
  5. x + y = 2, x − y = 0 → x = ____, y = ____
  6. x + y = 8, x − y = 0 → x = ____, y = ____
  7. x + y = 13, x − y = 1 → x = ____, y = ____
  8. 7x + 2y = 44, x = 4 → y = ____
  9. x + y = 10, x − y = -8 → x = ____, y = ____
  10. x + y = 13, x − y = 3 → x = ____, y = ____
  11. 2x + 6y = 46, x = 5 → y = ____
  12. 7x + 8y = 44, x = 4 → y = ____
  13. 5x + 8y = 48, x = 8 → y = ____
  14. 4x + 8y = 68, x = 3 → y = ____
  15. x + y = 16, x − y = 2 → x = ____, y = ____
  16. x + y = 12, x − y = 2 → x = ____, y = ____
  17. 3x + 8y = 65, x = 3 → y = ____
  18. x + y = 16, x − y = -2 → x = ____, y = ____
  19. x + y = 11, x − y = -7 → x = ____, y = ____
  20. 7x + 9y = 79, x = 1 → y = ____
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