方程式系 ワークシート

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

x + y = 13, x − y = 1 → x = ____, y = ____

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

7x + 7y = 70, x = 3 → y = ____

5x + 3y = 60, x = 9 → y = ____

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

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

x + y = 13, x − y = 5 → x = ____, y = ____

8x + 2y = 88, x = 9 → y = ____

5x + 9y = 24, x = 3 → y = ____

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

8x + 5y = 80, x = 5 → y = ____

9x + 4y = 17, x = 1 → y = ____

6x + 7y = 19, x = 2 → y = ____

6x + 3y = 30, x = 1 → y = ____

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

x + y = 4, x − y = -2 → x = ____, y = ____

6x + 5y = 74, x = 9 → y = ____

6x + 2y = 48, x = 5 → y = ____

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