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 + 3y = 54, x = 8 → y = ____
  2. x + y = 6, x − y = -4 → x = ____, y = ____
  3. x + y = 9, x − y = -5 → x = ____, y = ____
  4. 4x + 5y = 37, x = 3 → y = ____
  5. 4x + 5y = 25, x = 5 → y = ____
  6. x + y = 18, x − y = 0 → x = ____, y = ____
  7. x + y = 12, x − y = 4 → x = ____, y = ____
  8. x + y = 10, x − y = -8 → x = ____, y = ____
  9. x + y = 10, x − y = 2 → x = ____, y = ____
  10. x + y = 6, x − y = -2 → x = ____, y = ____
  11. 6x + 6y = 48, x = 4 → y = ____
  12. x + y = 2, x − y = 0 → x = ____, y = ____
  13. x + y = 13, x − y = -3 → x = ____, y = ____
  14. x + y = 12, x − y = -6 → x = ____, y = ____
  15. x + y = 7, x − y = 3 → x = ____, y = ____
  16. 8x + 4y = 92, x = 9 → y = ____
  17. 1x + 4y = 44, x = 8 → y = ____
  18. x + y = 5, x − y = 3 → x = ____, y = ____
  19. 9x + 2y = 79, x = 7 → y = ____
  20. 9x + 5y = 111, x = 9 → y = ____