方程式系 ワークシート

1x + 9y = 75, x = 3 → y = ____

2x + 8y = 24, x = 4 → y = ____

9x + 4y = 77, x = 5 → y = ____

8x + 3y = 38, x = 4 → y = ____

1x + 3y = 14, x = 2 → y = ____

5x + 3y = 72, x = 9 → y = ____

4x + 5y = 37, x = 8 → y = ____

6x + 8y = 50, x = 7 → y = ____

8x + 7y = 36, x = 1 → y = ____

9x + 7y = 103, x = 6 → y = ____

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

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

4x + 2y = 48, x = 8 → y = ____

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

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

1x + 3y = 10, x = 7 → y = ____

9x + 4y = 56, x = 4 → y = ____

3x + 2y = 19, x = 5 → y = ____

3x + 4y = 29, x = 7 → y = ____

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