方程式系 ワークシート

4x + 3y = 54, x = 9 → y = ____

x + y = 14, x − y = -4 → x = ____, y = ____

4x + 3y = 36, x = 6 → y = ____

8x + 4y = 40, x = 1 → y = ____

4x + 2y = 36, x = 6 → y = ____

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

2x + 4y = 34, x = 5 → y = ____

2x + 7y = 9, x = 1 → y = ____

7x + 3y = 40, x = 4 → y = ____

5x + 1y = 26, x = 4 → y = ____

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

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

3x + 8y = 93, x = 7 → y = ____

3x + 6y = 66, x = 6 → y = ____

6x + 5y = 53, x = 8 → y = ____

5x + 1y = 36, x = 6 → y = ____

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

x + y = 8, x − y = -2 → x = ____, y = ____

x + y = 11, x − y = 7 → x = ____, y = ____

5x + 6y = 81, x = 9 → y = ____