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
- 2x + 3y = 21, x = 6 → y = ____
- 9x + 9y = 117, x = 5 → y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- x + y = 5, x − y = -1 → x = ____, y = ____
- x + y = 17, x − y = 1 → x = ____, y = ____
- 6x + 5y = 53, x = 3 → y = ____
- 6x + 2y = 54, x = 6 → y = ____
- 2x + 6y = 46, x = 2 → y = ____
- 2x + 7y = 37, x = 1 → y = ____
- 3x + 5y = 20, x = 5 → y = ____
- 7x + 9y = 23, x = 2 → y = ____
- 3x + 2y = 28, x = 6 → y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- 4x + 5y = 29, x = 6 → y = ____
- 5x + 7y = 89, x = 8 → y = ____
- 4x + 2y = 26, x = 6 → y = ____
- 2x + 8y = 82, x = 9 → y = ____
- x + y = 15, x − y = 1 → x = ____, y = ____
- 1x + 6y = 51, x = 3 → y = ____
- 7x + 8y = 23, x = 1 → y = ____