方程式系 ワークシート

1x + 2y = 12, x = 6 → y = ____

x + y = 8, x − y = 6 → x = ____, y = ____

x + y = 13, x − y = -5 → x = ____, y = ____

1x + 8y = 9, x = 1 → y = ____

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

x + y = 5, x − y = 3 → x = ____, y = ____

x + y = 15, x − y = 1 → x = ____, y = ____

8x + 7y = 61, x = 5 → y = ____

x + y = 9, x − y = 7 → x = ____, y = ____

7x + 1y = 29, x = 4 → y = ____

1x + 7y = 22, x = 1 → y = ____

4x + 6y = 30, x = 3 → y = ____

x + y = 16, x − y = 0 → x = ____, y = ____

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

1x + 7y = 23, x = 9 → y = ____

8x + 6y = 118, x = 8 → y = ____

8x + 3y = 93, x = 9 → y = ____

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

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

9x + 4y = 17, x = 1 → y = ____