方程式系 ワークシート

4x + 2y = 42, x = 6 → y = ____

8x + 6y = 14, x = 1 → y = ____

x + y = 11, x − y = -7 → x = ____, y = ____

3x + 5y = 36, x = 2 → y = ____

x + y = 7, x − y = -1 → x = ____, y = ____

x + y = 11, x − y = 7 → x = ____, y = ____

x + y = 8, x − y = 4 → x = ____, y = ____

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

5x + 5y = 30, x = 2 → y = ____

8x + 1y = 24, x = 2 → y = ____

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

4x + 6y = 32, x = 5 → y = ____

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

1x + 4y = 26, x = 6 → y = ____

9x + 1y = 12, x = 1 → y = ____

5x + 6y = 56, x = 4 → y = ____

3x + 6y = 69, x = 7 → y = ____

4x + 3y = 28, x = 1 → y = ____

9x + 2y = 28, x = 2 → y = ____

9x + 1y = 67, x = 7 → y = ____