方程式系 ワークシート

8年生 — 高校に推奨

新しいワークシート

方程式系 ワークシート

名前: ____________________日付: ____________

説明書: 代入と消去による連立一次方程式の解法。

20 問題

  1. x + y = 10, x − y = 6 → x = ____, y = ____
  2. 9x + 4y = 96, x = 8 → y = ____
  3. 4x + 9y = 26, x = 2 → y = ____
  4. 3x + 2y = 26, x = 6 → y = ____
  5. 7x + 9y = 100, x = 4 → y = ____
  6. x + y = 18, x − y = 0 → x = ____, y = ____
  7. x + y = 5, x − y = 3 → x = ____, y = ____
  8. 4x + 9y = 75, x = 3 → y = ____
  9. 6x + 2y = 48, x = 7 → y = ____
  10. 7x + 8y = 37, x = 3 → y = ____
  11. x + y = 10, x − y = 8 → x = ____, y = ____
  12. 4x + 9y = 57, x = 3 → y = ____
  13. 6x + 9y = 84, x = 8 → y = ____
  14. 1x + 7y = 29, x = 8 → y = ____
  15. 5x + 9y = 98, x = 7 → y = ____
  16. x + y = 16, x − y = 0 → x = ____, y = ____
  17. 1x + 7y = 58, x = 2 → y = ____
  18. 4x + 3y = 30, x = 6 → y = ____
  19. x + y = 15, x − y = -3 → x = ____, y = ____
  20. x + y = 3, x − y = 1 → x = ____, y = ____