方程式系 ワークシート

1x + 4y = 6, x = 2 → y = ____

x + y = 14, x − y = 4 → x = ____, y = ____

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

1x + 4y = 25, x = 5 → y = ____

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

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

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

4x + 8y = 48, x = 8 → y = ____

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

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

x + y = 10, x − y = 0 → x = ____, y = ____

8x + 7y = 81, x = 4 → y = ____

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

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

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

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

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

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

8x + 8y = 64, x = 5 → y = ____

8x + 4y = 60, x = 3 → y = ____