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 = 9, x − y = -7 → x = ____, y = ____
  2. x + y = 14, x − y = 2 → x = ____, y = ____
  3. x + y = 11, x − y = -1 → x = ____, y = ____
  4. x + y = 16, x − y = 0 → x = ____, y = ____
  5. 6x + 6y = 54, x = 8 → y = ____
  6. 7x + 3y = 65, x = 8 → y = ____
  7. 1x + 1y = 10, x = 7 → y = ____
  8. x + y = 12, x − y = 6 → x = ____, y = ____
  9. x + y = 12, x − y = -2 → x = ____, y = ____
  10. 4x + 8y = 36, x = 1 → y = ____
  11. x + y = 10, x − y = -2 → x = ____, y = ____
  12. x + y = 8, x − y = 0 → x = ____, y = ____
  13. x + y = 10, x − y = 2 → x = ____, y = ____
  14. 8x + 3y = 83, x = 7 → y = ____
  15. x + y = 11, x − y = 7 → x = ____, y = ____
  16. x + y = 11, x − y = -3 → x = ____, y = ____
  17. 6x + 2y = 24, x = 2 → y = ____
  18. 9x + 5y = 14, x = 1 → y = ____
  19. x + y = 11, x − y = -5 → x = ____, y = ____
  20. 2x + 5y = 41, x = 3 → y = ____
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