方程式系 ワークシート

2x + 5y = 32, x = 6 → y = ____

x + y = 9, x − y = 1 → x = ____, y = ____

1x + 9y = 50, x = 5 → y = ____

9x + 3y = 21, x = 2 → y = ____

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

3x + 9y = 12, x = 1 → y = ____

5x + 4y = 29, x = 5 → y = ____

x + y = 12, x − y = 2 → x = ____, y = ____

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

9x + 1y = 61, x = 6 → y = ____

3x + 3y = 24, x = 1 → y = ____

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

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

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

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

9x + 3y = 42, x = 2 → y = ____

x + y = 12, x − y = -2 → x = ____, y = ____

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

7x + 1y = 37, x = 5 → y = ____

9x + 4y = 65, x = 5 → y = ____