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 = 15, x − y = -3 → x = ____, y = ____
  2. 8x + 8y = 112, x = 9 → y = ____
  3. 7x + 5y = 87, x = 6 → y = ____
  4. 4x + 4y = 12, x = 2 → y = ____
  5. 9x + 3y = 96, x = 8 → y = ____
  6. x + y = 16, x − y = 0 → x = ____, y = ____
  7. x + y = 17, x − y = -1 → x = ____, y = ____
  8. 5x + 1y = 20, x = 3 → y = ____
  9. 1x + 3y = 15, x = 9 → y = ____
  10. x + y = 10, x − y = -8 → x = ____, y = ____
  11. 1x + 7y = 12, x = 5 → y = ____
  12. x + y = 11, x − y = 3 → x = ____, y = ____
  13. x + y = 10, x − y = 0 → x = ____, y = ____
  14. 9x + 7y = 95, x = 9 → y = ____
  15. 2x + 3y = 19, x = 8 → y = ____
  16. 5x + 9y = 73, x = 2 → y = ____
  17. x + y = 15, x − y = 3 → x = ____, y = ____
  18. 4x + 2y = 28, x = 5 → y = ____
  19. 5x + 3y = 17, x = 1 → y = ____
  20. 9x + 8y = 93, x = 5 → y = ____
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