方程式系 ワークシート

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

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

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

2x + 2y = 26, x = 8 → y = ____

8x + 7y = 69, x = 6 → y = ____

1x + 4y = 23, x = 3 → y = ____

7x + 2y = 18, x = 2 → y = ____

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

1x + 6y = 7, x = 1 → y = ____

x + y = 14, x − y = 0 → x = ____, y = ____

6x + 1y = 15, x = 1 → y = ____

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

6x + 6y = 48, x = 3 → y = ____

x + y = 7, x − y = 5 → x = ____, y = ____

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

3x + 9y = 54, x = 6 → y = ____

9x + 3y = 57, x = 4 → y = ____

2x + 4y = 50, x = 7 → y = ____

6x + 5y = 27, x = 2 → y = ____

x + y = 14, x − y = 4 → x = ____, y = ____