方程式系 ワークシート

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

x + y = 16, x − y = -2 → x = ____, y = ____

4x + 6y = 46, x = 7 → y = ____

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

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

x + y = 13, x − y = -1 → x = ____, y = ____

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

1x + 1y = 11, x = 9 → y = ____

8x + 8y = 120, x = 9 → y = ____

x + y = 13, x − y = 1 → x = ____, y = ____

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

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

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

4x + 8y = 44, x = 9 → y = ____

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

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

4x + 3y = 35, x = 2 → y = ____

8x + 2y = 50, x = 5 → y = ____

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

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