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 + 2y = 21, x = 9 → y = ____
  2. 1x + 6y = 45, x = 9 → y = ____
  3. x + y = 10, x − y = -6 → x = ____, y = ____
  4. 1x + 4y = 42, x = 6 → y = ____
  5. 2x + 1y = 15, x = 6 → y = ____
  6. x + y = 10, x − y = 2 → x = ____, y = ____
  7. 1x + 4y = 9, x = 5 → y = ____
  8. x + y = 15, x − y = -1 → x = ____, y = ____
  9. x + y = 12, x − y = -2 → x = ____, y = ____
  10. 9x + 7y = 112, x = 7 → y = ____
  11. x + y = 18, x − y = 0 → x = ____, y = ____
  12. x + y = 12, x − y = 0 → x = ____, y = ____
  13. 9x + 7y = 95, x = 9 → y = ____
  14. 5x + 5y = 55, x = 9 → y = ____
  15. x + y = 10, x − y = 0 → x = ____, y = ____
  16. x + y = 6, x − y = -4 → x = ____, y = ____
  17. 9x + 1y = 78, x = 8 → y = ____
  18. x + y = 6, x − y = -2 → x = ____, y = ____
  19. x + y = 10, x − y = -4 → x = ____, y = ____
  20. x + y = 7, x − y = 1 → x = ____, y = ____
Sistemi di equazioni Worksheet — Free Printable with Answer Key | WaffleMath