方程式系 ワークシート

3x + 9y = 57, x = 7 → y = ____

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

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

4x + 2y = 14, x = 3 → y = ____

4x + 5y = 37, x = 3 → y = ____

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

x + y = 16, x − y = -2 → x = ____, y = ____

3x + 8y = 58, x = 6 → y = ____

5x + 1y = 36, x = 7 → y = ____

9x + 2y = 66, x = 6 → y = ____

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

5x + 2y = 24, x = 4 → y = ____

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

8x + 6y = 72, x = 3 → y = ____

x + y = 12, x − y = 0 → x = ____, y = ____

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

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

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

8x + 2y = 34, x = 2 → y = ____

7x + 5y = 87, x = 6 → y = ____