方程式系 ワークシート

9x + 2y = 54, x = 4 → y = ____

7x + 9y = 92, x = 8 → y = ____

9x + 3y = 36, x = 1 → y = ____

1x + 8y = 54, x = 6 → y = ____

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

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

x + y = 16, x − y = 0 → x = ____, y = ____

x + y = 6, x − y = 0 → x = ____, y = ____

8x + 5y = 104, x = 8 → y = ____

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

6x + 2y = 24, x = 1 → y = ____

4x + 9y = 41, x = 8 → y = ____

4x + 9y = 104, x = 8 → y = ____

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

4x + 6y = 16, x = 1 → y = ____

8x + 7y = 30, x = 2 → y = ____

8x + 2y = 10, x = 1 → y = ____

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

x + y = 13, x − y = 1 → x = ____, y = ____

9x + 1y = 30, x = 3 → y = ____