方程式系 ワークシート

x + y = 14, x − y = 4 → x = ____, y = ____

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

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

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

3x + 1y = 13, x = 3 → y = ____

x + y = 8, x − y = 0 → x = ____, y = ____

7x + 5y = 83, x = 9 → y = ____

x + y = 17, x − y = 1 → x = ____, y = ____

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

6x + 5y = 36, x = 1 → y = ____

x + y = 12, x − y = -2 → x = ____, y = ____

9x + 1y = 54, x = 5 → y = ____

6x + 8y = 92, x = 6 → y = ____

3x + 6y = 63, x = 5 → y = ____

x + y = 15, x − y = -1 → x = ____, y = ____

3x + 1y = 27, x = 6 → y = ____

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

3x + 2y = 31, x = 5 → y = ____

x + y = 17, x − y = -1 → x = ____, y = ____

9x + 6y = 117, x = 9 → y = ____