方程式系 ワークシート

7x + 3y = 48, x = 6 → y = ____

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

3x + 9y = 75, x = 1 → y = ____

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

1x + 9y = 60, x = 6 → y = ____

x + y = 13, x − y = -1 → x = ____, y = ____

6x + 3y = 66, x = 9 → y = ____

8x + 3y = 91, x = 8 → y = ____

x + y = 9, x − y = -7 → x = ____, y = ____

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

5x + 5y = 45, x = 6 → y = ____

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

6x + 5y = 67, x = 7 → y = ____

5x + 2y = 59, x = 9 → y = ____

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

x + y = 9, x − y = -3 → x = ____, y = ____

8x + 1y = 51, x = 6 → y = ____

8x + 7y = 135, x = 9 → y = ____

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

9x + 6y = 42, x = 4 → y = ____