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. 8x + 6y = 70, x = 8 → y = ____
  2. 2x + 6y = 28, x = 5 → y = ____
  3. x + y = 9, x − y = 3 → x = ____, y = ____
  4. 1x + 4y = 10, x = 2 → y = ____
  5. x + y = 13, x − y = -3 → x = ____, y = ____
  6. 4x + 4y = 40, x = 8 → y = ____
  7. x + y = 6, x − y = 4 → x = ____, y = ____
  8. x + y = 9, x − y = -7 → x = ____, y = ____
  9. x + y = 7, x − y = 1 → x = ____, y = ____
  10. 6x + 9y = 72, x = 6 → y = ____
  11. x + y = 13, x − y = -5 → x = ____, y = ____
  12. x + y = 9, x − y = 5 → x = ____, y = ____
  13. x + y = 10, x − y = 2 → x = ____, y = ____
  14. 6x + 8y = 38, x = 5 → y = ____
  15. 4x + 4y = 52, x = 7 → y = ____
  16. x + y = 12, x − y = -6 → x = ____, y = ____
  17. 2x + 3y = 24, x = 6 → y = ____
  18. 4x + 9y = 57, x = 3 → y = ____
  19. 6x + 9y = 129, x = 8 → y = ____
  20. 1x + 8y = 78, x = 6 → y = ____
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