方程式系 ワークシート

1x + 9y = 51, x = 6 → y = ____

5x + 3y = 36, x = 6 → y = ____

2x + 8y = 74, x = 1 → y = ____

x + y = 10, x − y = 6 → x = ____, y = ____

3x + 1y = 8, x = 2 → y = ____

4x + 2y = 30, x = 4 → y = ____

4x + 5y = 56, x = 4 → y = ____

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

5x + 6y = 51, x = 3 → y = ____

6x + 2y = 24, x = 1 → y = ____

6x + 3y = 39, x = 2 → y = ____

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

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

9x + 1y = 73, x = 8 → y = ____

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

5x + 8y = 38, x = 6 → y = ____

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

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

x + y = 6, x − y = 4 → x = ____, y = ____

2x + 3y = 21, x = 3 → y = ____