方程式系 ワークシート

7x + 1y = 36, x = 5 → y = ____

6x + 5y = 47, x = 2 → y = ____

7x + 8y = 70, x = 2 → y = ____

x + y = 12, x − y = 4 → x = ____, y = ____

8x + 7y = 99, x = 8 → y = ____

3x + 6y = 33, x = 3 → y = ____

3x + 2y = 32, x = 8 → y = ____

1x + 1y = 15, x = 7 → y = ____

6x + 2y = 34, x = 5 → y = ____

7x + 5y = 94, x = 7 → y = ____

2x + 4y = 52, x = 8 → y = ____

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

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

x + y = 15, x − y = -3 → x = ____, y = ____

4x + 3y = 27, x = 6 → y = ____

9x + 9y = 153, x = 9 → y = ____

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

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

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

6x + 8y = 44, x = 6 → y = ____