方程式系 ワークシート

4x + 2y = 46, x = 7 → y = ____

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

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

8x + 5y = 75, x = 5 → y = ____

1x + 3y = 14, x = 2 → y = ____

x + y = 11, x − y = -7 → x = ____, y = ____

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

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

2x + 4y = 16, x = 4 → y = ____

7x + 8y = 97, x = 7 → y = ____

8x + 2y = 64, x = 7 → y = ____

9x + 6y = 105, x = 7 → y = ____

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

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

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

9x + 7y = 100, x = 8 → y = ____

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

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

3x + 1y = 27, x = 6 → y = ____

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