方程式系 ワークシート

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

8x + 4y = 76, x = 7 → y = ____

5x + 6y = 73, x = 5 → y = ____

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

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

4x + 6y = 48, x = 9 → y = ____

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

3x + 7y = 55, x = 2 → y = ____

x + y = 9, x − y = -7 → x = ____, y = ____

6x + 4y = 60, x = 6 → y = ____

2x + 1y = 3, x = 1 → y = ____

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

6x + 2y = 68, x = 9 → y = ____

9x + 9y = 45, x = 1 → y = ____

4x + 8y = 64, x = 2 → y = ____

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

6x + 9y = 72, x = 6 → y = ____

9x + 8y = 75, x = 3 → y = ____

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

6x + 8y = 74, x = 7 → y = ____