方程式系 ワークシート

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

x + y = 5, x − y = 3 → x = ____, y = ____

2x + 8y = 42, x = 5 → y = ____

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

6x + 4y = 46, x = 5 → y = ____

6x + 7y = 40, x = 2 → y = ____

x + y = 13, x − y = -3 → x = ____, y = ____

6x + 3y = 60, x = 6 → y = ____

5x + 4y = 27, x = 3 → y = ____

3x + 1y = 10, x = 1 → y = ____

5x + 1y = 26, x = 4 → y = ____

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

8x + 1y = 65, x = 7 → y = ____

6x + 4y = 28, x = 2 → y = ____

5x + 6y = 64, x = 2 → y = ____

x + y = 9, x − y = -3 → x = ____, y = ____

5x + 1y = 24, x = 3 → y = ____

2x + 4y = 6, x = 1 → y = ____

7x + 4y = 64, x = 8 → y = ____

x + y = 5, x − y = -3 → x = ____, y = ____