方程式系 ワークシート

9x + 5y = 74, x = 6 → y = ____

x + y = 15, x − y = -1 → x = ____, y = ____

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

9x + 5y = 98, x = 7 → y = ____

5x + 8y = 45, x = 1 → y = ____

7x + 2y = 38, x = 4 → y = ____

6x + 8y = 64, x = 4 → y = ____

x + y = 13, x − y = -3 → x = ____, y = ____

2x + 1y = 19, x = 6 → y = ____

3x + 9y = 33, x = 2 → y = ____

x + y = 12, x − y = -4 → x = ____, y = ____

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

1x + 7y = 72, x = 9 → y = ____

9x + 4y = 42, x = 2 → y = ____

8x + 8y = 40, x = 1 → y = ____

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

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

5x + 7y = 26, x = 1 → y = ____

3x + 1y = 19, x = 5 → y = ____

x + y = 5, x − y = -3 → x = ____, y = ____