方程式系 ワークシート

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

x + y = 12, x − y = 0 → x = ____, y = ____

9x + 6y = 93, x = 9 → y = ____

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

8x + 4y = 72, x = 6 → y = ____

x + y = 5, x − y = 1 → x = ____, y = ____

x + y = 10, x − y = 0 → x = ____, y = ____

4x + 3y = 35, x = 5 → y = ____

3x + 8y = 23, x = 5 → y = ____

6x + 1y = 61, x = 9 → y = ____

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

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

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

6x + 1y = 56, x = 9 → y = ____

8x + 5y = 77, x = 9 → y = ____

1x + 1y = 9, x = 4 → y = ____

8x + 1y = 18, x = 2 → y = ____

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

9x + 8y = 69, x = 5 → y = ____

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