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
- 4x + 8y = 24, x = 4 → y = ____
- x + y = 3, x − y = 1 → x = ____, y = ____
- x + y = 17, x − y = 1 → x = ____, y = ____
- 8x + 1y = 47, x = 5 → y = ____
- 9x + 2y = 19, x = 1 → y = ____
- 6x + 8y = 100, x = 6 → y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- x + y = 18, x − y = 0 → x = ____, y = ____
- x + y = 14, x − y = 4 → x = ____, y = ____
- x + y = 11, x − y = 1 → x = ____, y = ____
- 2x + 7y = 58, x = 1 → y = ____
- 6x + 7y = 51, x = 5 → y = ____
- x + y = 7, x − y = 1 → x = ____, y = ____
- 3x + 1y = 17, x = 4 → y = ____
- x + y = 7, x − y = -5 → x = ____, y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- x + y = 10, x − y = -6 → x = ____, y = ____
- 7x + 4y = 61, x = 7 → y = ____
- 9x + 8y = 127, x = 7 → y = ____