方程式系 ワークシート

4x + 7y = 64, x = 2 → y = ____

4x + 7y = 46, x = 1 → y = ____

3x + 9y = 24, x = 5 → y = ____

4x + 8y = 96, x = 6 → y = ____

4x + 6y = 30, x = 6 → y = ____

1x + 9y = 54, x = 9 → y = ____

x + y = 9, x − y = 1 → x = ____, y = ____

9x + 8y = 60, x = 4 → y = ____

6x + 9y = 78, x = 1 → y = ____

7x + 3y = 40, x = 4 → y = ____

9x + 9y = 81, x = 3 → y = ____

3x + 2y = 22, x = 4 → y = ____

1x + 2y = 21, x = 5 → y = ____

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

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

4x + 1y = 42, x = 9 → y = ____

x + y = 14, x − y = 2 → x = ____, y = ____

x + y = 13, x − y = -3 → x = ____, y = ____

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

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