方程式系 ワークシート

1x + 5y = 52, x = 7 → y = ____

x + y = 9, x − y = -3 → x = ____, y = ____

1x + 8y = 36, x = 4 → y = ____

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

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

8x + 3y = 30, x = 3 → y = ____

3x + 7y = 62, x = 2 → y = ____

9x + 7y = 107, x = 8 → y = ____

4x + 3y = 53, x = 8 → y = ____

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

x + y = 9, x − y = 3 → x = ____, y = ____

5x + 2y = 28, x = 4 → y = ____

2x + 8y = 90, x = 9 → y = ____

x + y = 14, x − y = 0 → x = ____, y = ____

6x + 8y = 62, x = 1 → y = ____

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

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

9x + 5y = 19, x = 1 → y = ____

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

4x + 1y = 16, x = 2 → y = ____