方程式系 ワークシート

x + y = 5, x − y = 1 → x = ____, y = ____

6x + 9y = 27, x = 3 → y = ____

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

5x + 6y = 23, x = 1 → y = ____

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

3x + 8y = 48, x = 8 → y = ____

x + y = 3, x − y = 1 → x = ____, y = ____

3x + 7y = 34, x = 2 → y = ____

x + y = 9, x − y = 3 → x = ____, y = ____

x + y = 7, x − y = -3 → x = ____, y = ____

4x + 6y = 42, x = 9 → y = ____

6x + 7y = 64, x = 6 → y = ____

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

9x + 8y = 60, x = 4 → y = ____

7x + 7y = 63, x = 1 → y = ____

3x + 4y = 43, x = 9 → y = ____

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

1x + 6y = 61, x = 7 → y = ____

x + y = 12, x − y = -6 → x = ____, y = ____

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