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
- 9x + 3y = 81, x = 6 → y = ____
- 3x + 5y = 55, x = 5 → y = ____
- 2x + 4y = 30, x = 5 → y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____
- x + y = 6, x − y = -4 → x = ____, y = ____
- 7x + 7y = 98, x = 9 → y = ____
- x + y = 10, x − y = -6 → x = ____, y = ____
- x + y = 11, x − y = -7 → x = ____, y = ____
- x + y = 4, x − y = -2 → x = ____, y = ____
- 9x + 9y = 99, x = 5 → y = ____
- 7x + 6y = 96, x = 6 → y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- 5x + 2y = 14, x = 2 → y = ____
- x + y = 11, x − y = -3 → x = ____, y = ____
- 2x + 7y = 9, x = 1 → y = ____
- x + y = 3, x − y = -1 → x = ____, y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- x + y = 15, x − y = -1 → x = ____, y = ____