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 = 13, x − y = 1 → x = ____, y = ____
- 4x + 8y = 76, x = 7 → y = ____
- 1x + 5y = 40, x = 5 → y = ____
- 6x + 2y = 30, x = 2 → y = ____
- 6x + 4y = 86, x = 9 → y = ____
- 3x + 7y = 45, x = 8 → y = ____
- 4x + 3y = 43, x = 4 → y = ____
- 7x + 8y = 111, x = 9 → y = ____
- x + y = 15, x − y = 3 → x = ____, y = ____
- x + y = 17, x − y = -1 → x = ____, y = ____
- 4x + 4y = 52, x = 8 → y = ____
- 9x + 4y = 95, x = 7 → y = ____
- x + y = 5, x − y = -1 → x = ____, y = ____
- x + y = 11, x − y = 1 → x = ____, y = ____
- 7x + 5y = 69, x = 7 → y = ____
- 1x + 6y = 27, x = 9 → y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- x + y = 8, x − y = -6 → x = ____, y = ____
- 5x + 8y = 61, x = 1 → y = ____