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
- 3x + 2y = 13, x = 3 → y = ____
- 6x + 7y = 43, x = 6 → y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- 5x + 7y = 56, x = 7 → y = ____
- 7x + 2y = 18, x = 2 → y = ____
- 2x + 6y = 20, x = 4 → y = ____
- 4x + 1y = 22, x = 5 → y = ____
- 2x + 9y = 95, x = 7 → y = ____
- 9x + 3y = 57, x = 6 → y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- x + y = 17, x − y = -1 → x = ____, y = ____
- 1x + 2y = 15, x = 5 → y = ____
- x + y = 9, x − y = -3 → x = ____, y = ____
- 7x + 8y = 86, x = 2 → y = ____
- 2x + 3y = 31, x = 8 → y = ____
- x + y = 13, x − y = -5 → x = ____, y = ____
- 2x + 4y = 34, x = 9 → y = ____
- x + y = 7, x − y = 3 → x = ____, y = ____
- 7x + 5y = 93, x = 9 → y = ____
- 3x + 5y = 39, x = 3 → y = ____