方程式系 ワークシート

8x + 6y = 126, x = 9 → y = ____

8x + 3y = 90, x = 9 → y = ____

7x + 8y = 78, x = 2 → y = ____

8x + 9y = 41, x = 4 → y = ____

x + y = 11, x − y = -3 → x = ____, y = ____

9x + 4y = 91, x = 7 → y = ____

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

6x + 1y = 26, x = 3 → y = ____

x + y = 7, x − y = 5 → x = ____, y = ____

1x + 1y = 4, x = 3 → y = ____

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

6x + 5y = 62, x = 7 → y = ____

x + y = 10, x − y = 6 → x = ____, y = ____

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

1x + 8y = 22, x = 6 → y = ____

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

x + y = 9, x − y = 3 → x = ____, y = ____

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

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

1x + 4y = 24, x = 8 → y = ____