方程式系 ワークシート

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

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

6x + 6y = 84, x = 5 → y = ____

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

x + y = 4, x − y = 2 → x = ____, y = ____

x + y = 12, x − y = -6 → x = ____, y = ____

1x + 3y = 16, x = 7 → y = ____

7x + 7y = 49, x = 2 → y = ____

3x + 8y = 36, x = 4 → y = ____

3x + 9y = 51, x = 5 → y = ____

x + y = 17, x − y = -1 → x = ____, y = ____

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

9x + 1y = 58, x = 6 → y = ____

6x + 8y = 50, x = 3 → y = ____

1x + 1y = 8, x = 1 → y = ____

8x + 8y = 144, x = 9 → y = ____

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

8x + 3y = 48, x = 3 → y = ____

x + y = 9, x − y = 5 → x = ____, y = ____

1x + 6y = 31, x = 1 → y = ____