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 = 18, x − y = 0 → x = ____, y = ____
  2. x + y = 8, x − y = 2 → x = ____, y = ____
  3. x + y = 11, x − y = 5 → x = ____, y = ____
  4. 2x + 2y = 20, x = 4 → y = ____
  5. x + y = 13, x − y = -3 → x = ____, y = ____
  6. 8x + 7y = 50, x = 1 → y = ____
  7. 6x + 1y = 51, x = 7 → y = ____
  8. x + y = 12, x − y = -2 → x = ____, y = ____
  9. 1x + 4y = 17, x = 5 → y = ____
  10. x + y = 5, x − y = -3 → x = ____, y = ____
  11. x + y = 6, x − y = 4 → x = ____, y = ____
  12. 4x + 8y = 64, x = 4 → y = ____
  13. x + y = 14, x − y = -2 → x = ____, y = ____
  14. x + y = 17, x − y = 1 → x = ____, y = ____
  15. x + y = 4, x − y = 2 → x = ____, y = ____
  16. 7x + 6y = 79, x = 7 → y = ____
  17. x + y = 12, x − y = 2 → x = ____, y = ____
  18. x + y = 17, x − y = -1 → x = ____, y = ____
  19. 9x + 9y = 72, x = 2 → y = ____
  20. x + y = 6, x − y = 2 → x = ____, y = ____
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