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. 2x + 7y = 63, x = 7 → y = ____
  2. x + y = 11, x − y = 5 → x = ____, y = ____
  3. x + y = 13, x − y = -1 → x = ____, y = ____
  4. x + y = 9, x − y = 7 → x = ____, y = ____
  5. x + y = 8, x − y = 6 → x = ____, y = ____
  6. x + y = 14, x − y = 0 → x = ____, y = ____
  7. x + y = 14, x − y = -2 → x = ____, y = ____
  8. 8x + 4y = 84, x = 8 → y = ____
  9. x + y = 7, x − y = 1 → x = ____, y = ____
  10. x + y = 6, x − y = 0 → x = ____, y = ____
  11. 3x + 8y = 43, x = 9 → y = ____
  12. x + y = 9, x − y = 5 → x = ____, y = ____
  13. x + y = 3, x − y = 1 → x = ____, y = ____
  14. x + y = 9, x − y = -3 → x = ____, y = ____
  15. x + y = 12, x − y = -6 → x = ____, y = ____
  16. 8x + 7y = 120, x = 8 → y = ____
  17. x + y = 6, x − y = -2 → x = ____, y = ____
  18. 2x + 5y = 17, x = 6 → y = ____
  19. x + y = 10, x − y = 4 → x = ____, y = ____
  20. 1x + 7y = 58, x = 9 → y = ____