方程式系 ワークシート

3x + 3y = 45, x = 7 → y = ____

6x + 4y = 10, x = 1 → y = ____

9x + 1y = 78, x = 8 → y = ____

3x + 4y = 32, x = 4 → y = ____

3x + 4y = 56, x = 8 → y = ____

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

x + y = 10, x − y = -8 → x = ____, y = ____

8x + 9y = 96, x = 3 → y = ____

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

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

7x + 4y = 36, x = 4 → y = ____

2x + 2y = 24, x = 9 → y = ____

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

7x + 5y = 94, x = 7 → y = ____

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

6x + 9y = 135, x = 9 → y = ____

x + y = 12, x − y = 0 → x = ____, y = ____

2x + 8y = 34, x = 1 → y = ____

1x + 5y = 28, x = 3 → y = ____

9x + 8y = 60, x = 4 → y = ____