方程式系 ワークシート

4x + 8y = 52, x = 1 → y = ____

4x + 1y = 33, x = 8 → y = ____

8x + 7y = 103, x = 5 → y = ____

x + y = 5, x − y = 3 → x = ____, y = ____

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

6x + 2y = 32, x = 5 → y = ____

x + y = 13, x − y = -5 → x = ____, y = ____

9x + 2y = 64, x = 6 → y = ____

7x + 8y = 58, x = 6 → y = ____

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

x + y = 2, x − y = 0 → x = ____, y = ____

x + y = 8, x − y = -6 → x = ____, y = ____

7x + 2y = 22, x = 2 → y = ____

5x + 4y = 41, x = 1 → y = ____

4x + 3y = 39, x = 6 → y = ____

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

1x + 7y = 58, x = 9 → y = ____

6x + 4y = 72, x = 6 → y = ____

x + y = 12, x − y = -4 → x = ____, y = ____

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