方程式系 ワークシート

9x + 3y = 36, x = 2 → y = ____

x + y = 11, x − y = -5 → x = ____, y = ____

9x + 8y = 76, x = 4 → y = ____

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

3x + 5y = 42, x = 4 → y = ____

1x + 4y = 40, x = 4 → y = ____

6x + 7y = 51, x = 5 → y = ____

9x + 1y = 19, x = 2 → y = ____

x + y = 15, x − y = 3 → x = ____, y = ____

1x + 7y = 67, x = 4 → y = ____

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

7x + 1y = 30, x = 4 → y = ____

x + y = 13, x − y = 5 → x = ____, y = ____

3x + 1y = 23, x = 6 → y = ____

x + y = 11, x − y = 3 → x = ____, y = ____

5x + 7y = 72, x = 6 → y = ____

8x + 9y = 96, x = 3 → y = ____

x + y = 12, x − y = 4 → x = ____, y = ____

8x + 6y = 64, x = 2 → y = ____

1x + 1y = 9, x = 8 → y = ____