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. 4x + 9y = 66, x = 3 → y = ____
  2. x + y = 10, x − y = 2 → x = ____, y = ____
  3. 5x + 3y = 43, x = 8 → y = ____
  4. x + y = 13, x − y = 3 → x = ____, y = ____
  5. x + y = 17, x − y = -1 → x = ____, y = ____
  6. x + y = 11, x − y = 1 → x = ____, y = ____
  7. x + y = 15, x − y = -1 → x = ____, y = ____
  8. 9x + 9y = 117, x = 5 → y = ____
  9. x + y = 13, x − y = -1 → x = ____, y = ____
  10. x + y = 10, x − y = 6 → x = ____, y = ____
  11. x + y = 2, x − y = 0 → x = ____, y = ____
  12. x + y = 15, x − y = -3 → x = ____, y = ____
  13. 1x + 3y = 20, x = 2 → y = ____
  14. 6x + 3y = 12, x = 1 → y = ____
  15. x + y = 6, x − y = 0 → x = ____, y = ____
  16. 5x + 4y = 59, x = 7 → y = ____
  17. x + y = 10, x − y = -8 → x = ____, y = ____
  18. 9x + 8y = 75, x = 3 → y = ____
  19. 9x + 1y = 30, x = 3 → y = ____
  20. 5x + 2y = 22, x = 4 → y = ____
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