方程式系 ワークシート

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

4x + 9y = 64, x = 7 → y = ____

2x + 7y = 15, x = 4 → y = ____

6x + 5y = 65, x = 5 → y = ____

7x + 6y = 41, x = 5 → y = ____

8x + 4y = 68, x = 7 → y = ____

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

3x + 2y = 9, x = 1 → y = ____

1x + 5y = 10, x = 5 → y = ____

1x + 9y = 21, x = 3 → y = ____

4x + 3y = 27, x = 3 → y = ____

7x + 3y = 37, x = 4 → y = ____

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

9x + 6y = 84, x = 4 → y = ____

8x + 7y = 61, x = 5 → y = ____

6x + 7y = 67, x = 3 → y = ____

6x + 8y = 44, x = 2 → y = ____

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

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

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