方程式系 ワークシート

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

x + y = 11, x − y = -5 → x = ____, y = ____

x + y = 16, x − y = 2 → x = ____, y = ____

4x + 8y = 60, x = 7 → y = ____

6x + 9y = 33, x = 4 → y = ____

5x + 8y = 29, x = 1 → y = ____

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

9x + 7y = 75, x = 6 → y = ____

x + y = 6, x − y = -4 → x = ____, y = ____

9x + 7y = 53, x = 2 → y = ____

9x + 9y = 99, x = 6 → y = ____

3x + 2y = 26, x = 8 → y = ____

3x + 1y = 11, x = 1 → y = ____

6x + 3y = 54, x = 8 → y = ____

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

2x + 3y = 10, x = 2 → y = ____

9x + 4y = 81, x = 5 → y = ____

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

1x + 9y = 58, x = 4 → y = ____

7x + 8y = 100, x = 4 → y = ____