方程式系 ワークシート

4x + 8y = 44, x = 5 → y = ____

8x + 9y = 97, x = 2 → y = ____

2x + 5y = 50, x = 5 → y = ____

x + y = 10, x − y = 4 → x = ____, y = ____

8x + 5y = 76, x = 7 → y = ____

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

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

7x + 3y = 41, x = 5 → y = ____

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

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

9x + 6y = 51, x = 3 → y = ____

x + y = 13, x − y = 5 → x = ____, y = ____

1x + 8y = 47, x = 7 → y = ____

9x + 2y = 26, x = 2 → y = ____

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

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

4x + 8y = 20, x = 3 → y = ____

x + y = 11, x − y = -1 → x = ____, y = ____

6x + 9y = 111, x = 5 → y = ____

4x + 4y = 40, x = 8 → y = ____