方程式系 ワークシート

1x + 6y = 55, x = 1 → y = ____

7x + 1y = 50, x = 7 → y = ____

5x + 3y = 54, x = 9 → y = ____

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

8x + 5y = 59, x = 3 → y = ____

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

7x + 7y = 98, x = 5 → y = ____

8x + 3y = 99, x = 9 → y = ____

7x + 2y = 24, x = 2 → y = ____

3x + 5y = 16, x = 2 → y = ____

4x + 4y = 40, x = 5 → y = ____

x + y = 6, x − y = 0 → x = ____, y = ____

x + y = 15, x − y = 1 → x = ____, y = ____

x + y = 8, x − y = -6 → x = ____, y = ____

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

3x + 6y = 63, x = 9 → y = ____

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

8x + 6y = 120, x = 9 → y = ____

5x + 9y = 106, x = 5 → y = ____

6x + 3y = 60, x = 9 → y = ____