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 = 8, x − y = -4 → x = ____, y = ____
- x + y = 7, x − y = 1 → x = ____, y = ____
- x + y = 7, x − y = -3 → x = ____, y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 5x + 8y = 112, x = 8 → y = ____
- x + y = 13, x − y = 5 → x = ____, y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- 3x + 3y = 39, x = 6 → y = ____
- 2x + 3y = 27, x = 3 → y = ____
- 7x + 3y = 30, x = 3 → y = ____
- 2x + 9y = 76, x = 2 → y = ____
- 1x + 3y = 9, x = 6 → y = ____
- 1x + 2y = 19, x = 1 → y = ____
- x + y = 12, x − y = 4 → x = ____, y = ____
- x + y = 12, x − y = -4 → x = ____, y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- 7x + 7y = 70, x = 5 → y = ____
- 8x + 5y = 78, x = 6 → y = ____
- 3x + 4y = 22, x = 2 → y = ____
- x + y = 13, x − y = -5 → x = ____, y = ____