方程式系 ワークシート

3x + 8y = 66, x = 6 → y = ____

6x + 6y = 78, x = 7 → y = ____

x + y = 10, x − y = 8 → x = ____, y = ____

6x + 9y = 69, x = 7 → y = ____

4x + 4y = 44, x = 8 → y = ____

x + y = 6, x − y = 4 → x = ____, y = ____

x + y = 11, x − y = 7 → x = ____, y = ____

x + y = 11, x − y = -1 → x = ____, y = ____

x + y = 15, x − y = -1 → x = ____, y = ____

3x + 3y = 27, x = 5 → y = ____

x + y = 14, x − y = 2 → x = ____, y = ____

x + y = 10, x − y = -6 → x = ____, y = ____

8x + 9y = 96, x = 3 → y = ____

9x + 8y = 50, x = 2 → y = ____

9x + 7y = 73, x = 5 → y = ____

5x + 7y = 48, x = 4 → y = ____

4x + 1y = 9, x = 1 → y = ____

1x + 7y = 60, x = 4 → y = ____

5x + 5y = 50, x = 9 → y = ____

4x + 4y = 52, x = 4 → y = ____