方程式系 ワークシート

x + y = 4, x − y = 0 → x = ____, y = ____

9x + 4y = 69, x = 5 → y = ____

1x + 6y = 52, x = 4 → y = ____

x + y = 7, x − y = -3 → x = ____, y = ____

9x + 4y = 68, x = 4 → y = ____

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

5x + 8y = 55, x = 3 → y = ____

4x + 8y = 72, x = 4 → y = ____

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

7x + 3y = 48, x = 6 → y = ____

1x + 9y = 26, x = 8 → y = ____

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

2x + 6y = 38, x = 1 → y = ____

1x + 4y = 28, x = 8 → y = ____

x + y = 12, x − y = 6 → x = ____, y = ____

6x + 6y = 96, x = 9 → y = ____

5x + 8y = 77, x = 9 → y = ____

2x + 4y = 22, x = 7 → y = ____

9x + 1y = 19, x = 2 → y = ____

x + y = 10, x − y = 6 → x = ____, y = ____