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
- 7x + 5y = 76, x = 8 → y = ____
- 4x + 7y = 19, x = 3 → y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- x + y = 12, x − y = 2 → x = ____, y = ____
- 4x + 1y = 20, x = 4 → y = ____
- x + y = 8, x − y = 0 → x = ____, y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- 5x + 6y = 70, x = 8 → y = ____
- x + y = 15, x − y = 1 → x = ____, y = ____
- 1x + 6y = 19, x = 7 → y = ____
- x + y = 14, x − y = 0 → x = ____, y = ____
- x + y = 13, x − y = -5 → x = ____, y = ____
- x + y = 16, x − y = -2 → x = ____, y = ____
- 7x + 8y = 54, x = 2 → y = ____
- x + y = 16, x − y = 2 → x = ____, y = ____
- x + y = 15, x − y = 3 → x = ____, y = ____
- x + y = 8, x − y = 6 → x = ____, y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____