方程式系 ワークシート

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

8x + 5y = 52, x = 4 → y = ____

x + y = 6, x − y = -2 → x = ____, y = ____

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

8x + 8y = 96, x = 7 → y = ____

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

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

9x + 1y = 49, x = 5 → y = ____

6x + 6y = 60, x = 1 → y = ____

7x + 7y = 70, x = 5 → y = ____

7x + 6y = 96, x = 6 → y = ____

3x + 9y = 21, x = 1 → y = ____

9x + 5y = 75, x = 5 → y = ____

7x + 5y = 62, x = 6 → y = ____

3x + 8y = 60, x = 4 → y = ____

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

x + y = 8, x − y = 0 → x = ____, y = ____

3x + 4y = 23, x = 1 → y = ____

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

4x + 3y = 55, x = 7 → y = ____