方程式系 ワークシート

7x + 8y = 76, x = 4 → y = ____

x + y = 14, x − y = -4 → x = ____, y = ____

9x + 2y = 50, x = 4 → y = ____

5x + 5y = 25, x = 2 → y = ____

8x + 7y = 82, x = 5 → y = ____

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

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

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

1x + 3y = 30, x = 6 → y = ____

x + y = 16, x − y = -2 → x = ____, y = ____

3x + 4y = 51, x = 9 → y = ____

9x + 8y = 97, x = 9 → y = ____

7x + 7y = 28, x = 2 → y = ____

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

2x + 3y = 18, x = 3 → y = ____

4x + 4y = 68, x = 9 → y = ____

7x + 3y = 34, x = 4 → y = ____

x + y = 14, x − y = 4 → x = ____, y = ____

9x + 2y = 59, x = 5 → y = ____

4x + 6y = 26, x = 2 → y = ____