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 + 5y = 41, x = 4 → y = ____
  2. x + y = 11, x − y = -7 → x = ____, y = ____
  3. x + y = 11, x − y = -1 → x = ____, y = ____
  4. x + y = 14, x − y = 4 → x = ____, y = ____
  5. x + y = 7, x − y = -1 → x = ____, y = ____
  6. 9x + 3y = 57, x = 4 → y = ____
  7. x + y = 11, x − y = 3 → x = ____, y = ____
  8. 6x + 5y = 60, x = 5 → y = ____
  9. 2x + 9y = 56, x = 1 → y = ____
  10. 4x + 8y = 100, x = 7 → y = ____
  11. x + y = 15, x − y = -1 → x = ____, y = ____
  12. 1x + 2y = 12, x = 2 → y = ____
  13. 2x + 4y = 26, x = 1 → y = ____
  14. x + y = 6, x − y = -4 → x = ____, y = ____
  15. 4x + 9y = 108, x = 9 → y = ____
  16. x + y = 12, x − y = -6 → x = ____, y = ____
  17. 6x + 6y = 72, x = 8 → y = ____
  18. x + y = 17, x − y = 1 → x = ____, y = ____
  19. x + y = 6, x − y = -2 → x = ____, y = ____
  20. 6x + 4y = 82, x = 9 → y = ____
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