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 + 6y = 80, x = 8 → y = ____
- x + y = 12, x − y = 2 → x = ____, y = ____
- x + y = 17, x − y = -1 → x = ____, y = ____
- 7x + 1y = 44, x = 5 → y = ____
- 4x + 7y = 85, x = 9 → y = ____
- 4x + 8y = 72, x = 8 → y = ____
- 2x + 9y = 26, x = 4 → y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- x + y = 12, x − y = 4 → x = ____, y = ____
- x + y = 6, x − y = 4 → x = ____, y = ____
- x + y = 13, x − y = -5 → x = ____, y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- 4x + 6y = 28, x = 4 → y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- 7x + 2y = 77, x = 9 → y = ____
- 7x + 6y = 111, x = 9 → y = ____
- x + y = 12, x − y = -2 → x = ____, y = ____
- 5x + 3y = 34, x = 2 → y = ____
- x + y = 12, x − y = -6 → x = ____, y = ____
- 2x + 9y = 97, x = 8 → y = ____