方程式系 ワークシート

1x + 5y = 11, x = 6 → y = ____

5x + 5y = 30, x = 1 → y = ____

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

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

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

2x + 6y = 56, x = 7 → y = ____

6x + 8y = 48, x = 4 → y = ____

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

5x + 3y = 39, x = 3 → y = ____

8x + 6y = 22, x = 2 → y = ____

x + y = 7, x − y = -3 → x = ____, y = ____

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

8x + 9y = 113, x = 4 → y = ____

5x + 3y = 60, x = 9 → y = ____

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

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

x + y = 11, x − y = 5 → x = ____, y = ____

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

7x + 3y = 23, x = 2 → y = ____

7x + 3y = 10, x = 1 → y = ____