方程式系 ワークシート

x + y = 7, x − y = -1 → x = ____, y = ____

6x + 2y = 44, x = 6 → y = ____

6x + 7y = 38, x = 4 → y = ____

x + y = 8, x − y = 6 → x = ____, y = ____

x + y = 6, x − y = 2 → x = ____, y = ____

8x + 9y = 58, x = 5 → y = ____

7x + 7y = 56, x = 2 → y = ____

x + y = 14, x − y = 0 → x = ____, y = ____

x + y = 17, x − y = -1 → x = ____, y = ____

x + y = 4, x − y = -2 → x = ____, y = ____

x + y = 9, x − y = 7 → x = ____, y = ____

x + y = 12, x − y = 0 → x = ____, y = ____

x + y = 10, x − y = -2 → x = ____, y = ____

4x + 2y = 26, x = 4 → y = ____

x + y = 10, x − y = -4 → x = ____, y = ____

4x + 4y = 32, x = 6 → y = ____

3x + 1y = 30, x = 9 → y = ____

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

x + y = 8, x − y = -2 → x = ____, y = ____

x + y = 9, x − y = 5 → x = ____, y = ____