方程式系 ワークシート

x + y = 5, x − y = -1 → x = ____, y = ____

9x + 5y = 94, x = 6 → y = ____

8x + 5y = 29, x = 3 → y = ____

5x + 4y = 17, x = 1 → y = ____

4x + 7y = 78, x = 9 → y = ____

x + y = 10, x − y = -2 → x = ____, y = ____

4x + 2y = 24, x = 2 → y = ____

x + y = 13, x − y = -1 → x = ____, y = ____

6x + 1y = 44, x = 7 → y = ____

7x + 5y = 51, x = 3 → y = ____

8x + 1y = 41, x = 4 → y = ____

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

x + y = 5, x − y = 1 → x = ____, y = ____

2x + 8y = 52, x = 6 → y = ____

3x + 8y = 79, x = 5 → y = ____

x + y = 11, x − y = -7 → x = ____, y = ____

x + y = 6, x − y = -4 → x = ____, y = ____

1x + 6y = 50, x = 2 → y = ____

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

2x + 5y = 47, x = 6 → y = ____