方程式系 ワークシート

2x + 6y = 64, x = 8 → y = ____

4x + 7y = 73, x = 6 → y = ____

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

1x + 6y = 19, x = 1 → y = ____

3x + 2y = 16, x = 4 → y = ____

5x + 8y = 94, x = 6 → y = ____

1x + 9y = 39, x = 3 → y = ____

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

x + y = 8, x − y = -4 → x = ____, y = ____

x + y = 11, x − y = -5 → x = ____, y = ____

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

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

9x + 9y = 99, x = 7 → y = ____

5x + 3y = 11, x = 1 → y = ____

2x + 3y = 34, x = 8 → y = ____

2x + 4y = 22, x = 7 → y = ____

1x + 2y = 23, x = 7 → y = ____

x + y = 8, x − y = 4 → x = ____, y = ____

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

2x + 2y = 22, x = 5 → y = ____