方程式系 ワークシート

x + y = 11, x − y = 5 → x = ____, y = ____

2x + 2y = 18, x = 8 → y = ____

8x + 8y = 96, x = 3 → y = ____

4x + 3y = 51, x = 6 → y = ____

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

x + y = 18, x − y = 0 → x = ____, y = ____

7x + 1y = 63, x = 8 → y = ____

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

5x + 4y = 39, x = 7 → y = ____

7x + 9y = 23, x = 2 → y = ____

7x + 5y = 37, x = 1 → y = ____

7x + 8y = 63, x = 1 → y = ____

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

x + y = 15, x − y = -1 → x = ____, y = ____

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

x + y = 11, x − y = 3 → x = ____, y = ____

2x + 2y = 18, x = 5 → y = ____

6x + 5y = 37, x = 2 → y = ____

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

6x + 2y = 58, x = 8 → y = ____