方程式系 ワークシート

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

5x + 4y = 49, x = 5 → y = ____

x + y = 6, x − y = -2 → x = ____, y = ____

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

9x + 9y = 117, x = 4 → y = ____

x + y = 18, x − y = 0 → x = ____, y = ____

8x + 9y = 100, x = 8 → y = ____

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

8x + 5y = 44, x = 3 → y = ____

5x + 6y = 55, x = 5 → y = ____

8x + 6y = 84, x = 9 → y = ____

3x + 1y = 21, x = 5 → y = ____

x + y = 16, x − y = 2 → x = ____, y = ____

3x + 9y = 108, x = 9 → y = ____

9x + 2y = 61, x = 5 → y = ____

6x + 3y = 54, x = 7 → y = ____

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

2x + 2y = 28, x = 7 → y = ____

3x + 7y = 48, x = 9 → y = ____

9x + 6y = 111, x = 7 → y = ____