方程式系 ワークシート

3x + 4y = 50, x = 6 → y = ____

x + y = 7, x − y = -5 → x = ____, y = ____

2x + 1y = 13, x = 4 → y = ____

1x + 7y = 21, x = 7 → y = ____

6x + 1y = 41, x = 6 → y = ____

x + y = 9, x − y = -1 → x = ____, y = ____

4x + 9y = 83, x = 5 → y = ____

9x + 8y = 34, x = 2 → y = ____

x + y = 4, x − y = 0 → x = ____, y = ____

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

3x + 7y = 36, x = 5 → y = ____

6x + 7y = 111, x = 8 → y = ____

x + y = 8, x − y = 4 → x = ____, y = ____

5x + 7y = 72, x = 6 → y = ____

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

x + y = 8, x − y = -4 → x = ____, y = ____

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

4x + 4y = 32, x = 3 → y = ____

x + y = 2, x − y = 0 → x = ____, y = ____

x + y = 13, x − y = 3 → x = ____, y = ____