方程式系 ワークシート

2x + 6y = 36, x = 6 → y = ____

x + y = 6, x − y = -4 → x = ____, y = ____

x + y = 12, x − y = 2 → x = ____, y = ____

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

x + y = 10, x − y = 2 → x = ____, y = ____

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

6x + 1y = 46, x = 7 → y = ____

x + y = 14, x − y = -2 → x = ____, y = ____

8x + 5y = 65, x = 5 → y = ____

3x + 2y = 26, x = 4 → y = ____

3x + 1y = 28, x = 8 → y = ____

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

x + y = 10, x − y = 6 → x = ____, y = ____

8x + 7y = 63, x = 7 → y = ____

6x + 1y = 9, x = 1 → y = ____

7x + 1y = 41, x = 5 → y = ____

5x + 5y = 50, x = 4 → y = ____

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

6x + 2y = 38, x = 4 → y = ____

9x + 2y = 73, x = 7 → y = ____