方程式系 ワークシート

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

9x + 1y = 63, x = 6 → y = ____

8x + 9y = 90, x = 9 → y = ____

5x + 5y = 30, x = 1 → y = ____

x + y = 10, x − y = 6 → x = ____, y = ____

5x + 7y = 76, x = 4 → y = ____

x + y = 4, x − y = 0 → x = ____, y = ____

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

1x + 3y = 29, x = 2 → y = ____

1x + 4y = 33, x = 9 → y = ____

2x + 9y = 25, x = 8 → y = ____

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

9x + 2y = 53, x = 5 → y = ____

6x + 6y = 36, x = 1 → y = ____

7x + 7y = 77, x = 5 → y = ____

x + y = 10, x − y = -8 → x = ____, y = ____

3x + 1y = 19, x = 6 → y = ____

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

4x + 4y = 44, x = 8 → y = ____

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