方程式系 ワークシート
名前: ____________________日付: ____________
説明書: 代入と消去による連立一次方程式の解法。
20 問題
- x + y = 7, x − y = -1 → x = ____, y = ____
- 7x + 1y = 50, x = 7 → y = ____
- 3x + 7y = 70, x = 7 → y = ____
- 7x + 9y = 105, x = 6 → y = ____
- x + y = 13, x − y = -5 → x = ____, y = ____
- 5x + 7y = 77, x = 7 → y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- 7x + 2y = 35, x = 3 → y = ____
- x + y = 12, x − y = 2 → x = ____, y = ____
- x + y = 13, x − y = 1 → x = ____, y = ____
- 7x + 2y = 22, x = 2 → y = ____
- x + y = 9, x − y = -3 → x = ____, y = ____
- 5x + 4y = 73, x = 9 → y = ____
- 3x + 7y = 26, x = 4 → y = ____
- 4x + 7y = 74, x = 8 → y = ____
- 3x + 2y = 40, x = 8 → y = ____
- 4x + 8y = 92, x = 9 → y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____