方程式系 ワークシート

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

5x + 2y = 46, x = 6 → y = ____

3x + 3y = 30, x = 3 → y = ____

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

6x + 3y = 27, x = 2 → y = ____

7x + 5y = 52, x = 1 → y = ____

x + y = 9, x − y = 1 → x = ____, y = ____

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

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

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

1x + 8y = 60, x = 4 → y = ____

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

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

8x + 5y = 31, x = 2 → y = ____

8x + 7y = 59, x = 3 → y = ____

8x + 3y = 26, x = 1 → y = ____

x + y = 7, x − y = 1 → x = ____, y = ____

3x + 1y = 19, x = 6 → y = ____

x + y = 3, x − y = -1 → x = ____, y = ____

3x + 4y = 32, x = 8 → y = ____