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 + 1y = 19, x = 5 → y = ____
  2. x + y = 7, x − y = 5 → x = ____, y = ____
  3. x + y = 4, x − y = -2 → x = ____, y = ____
  4. x + y = 7, x − y = -3 → x = ____, y = ____
  5. x + y = 13, x − y = -1 → x = ____, y = ____
  6. x + y = 4, x − y = 0 → x = ____, y = ____
  7. 9x + 4y = 40, x = 4 → y = ____
  8. x + y = 11, x − y = -7 → x = ____, y = ____
  9. x + y = 6, x − y = 0 → x = ____, y = ____
  10. x + y = 2, x − y = 0 → x = ____, y = ____
  11. 6x + 3y = 57, x = 8 → y = ____
  12. x + y = 9, x − y = -5 → x = ____, y = ____
  13. 6x + 8y = 38, x = 1 → y = ____
  14. 7x + 4y = 75, x = 9 → y = ____
  15. x + y = 14, x − y = 2 → x = ____, y = ____
  16. x + y = 15, x − y = 1 → x = ____, y = ____
  17. x + y = 9, x − y = 3 → x = ____, y = ____
  18. 4x + 2y = 20, x = 1 → y = ____
  19. 8x + 8y = 64, x = 4 → y = ____
  20. x + y = 17, x − y = -1 → x = ____, y = ____
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