方程式系 ワークシート

x + y = 11, x − y = -1 → x = ____, y = ____

8x + 3y = 38, x = 4 → y = ____

7x + 3y = 66, x = 6 → y = ____

1x + 8y = 59, x = 3 → y = ____

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

7x + 9y = 52, x = 1 → y = ____

2x + 6y = 58, x = 2 → y = ____

9x + 9y = 126, x = 7 → y = ____

x + y = 15, x − y = -3 → x = ____, y = ____

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

2x + 6y = 26, x = 4 → y = ____

7x + 7y = 105, x = 6 → y = ____

1x + 4y = 23, x = 3 → y = ____

x + y = 6, x − y = 0 → x = ____, y = ____

5x + 6y = 22, x = 2 → y = ____

8x + 8y = 40, x = 4 → y = ____

9x + 2y = 66, x = 6 → y = ____

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

7x + 3y = 67, x = 7 → y = ____

4x + 3y = 59, x = 8 → y = ____