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. 1x + 3y = 30, x = 3 → y = ____
  2. x + y = 11, x − y = 5 → x = ____, y = ____
  3. 1x + 8y = 16, x = 8 → y = ____
  4. 2x + 7y = 37, x = 1 → y = ____
  5. x + y = 12, x − y = 0 → x = ____, y = ____
  6. x + y = 12, x − y = 4 → x = ____, y = ____
  7. x + y = 7, x − y = -5 → x = ____, y = ____
  8. x + y = 13, x − y = 1 → x = ____, y = ____
  9. 2x + 2y = 24, x = 9 → y = ____
  10. 4x + 4y = 40, x = 1 → y = ____
  11. x + y = 10, x − y = 4 → x = ____, y = ____
  12. 5x + 7y = 12, x = 1 → y = ____
  13. 1x + 9y = 31, x = 4 → y = ____
  14. 8x + 1y = 18, x = 2 → y = ____
  15. 9x + 7y = 80, x = 5 → y = ____
  16. 4x + 4y = 36, x = 3 → y = ____
  17. 5x + 6y = 23, x = 1 → y = ____
  18. 8x + 5y = 54, x = 3 → y = ____
  19. x + y = 7, x − y = 5 → x = ____, y = ____
  20. x + y = 14, x − y = 4 → x = ____, y = ____
Sistemi di equazioni Worksheet — Free Printable with Answer Key | WaffleMath