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
- x + y = 7, x − y = 3 → x = ____, y = ____
- x + y = 15, x − y = -1 → x = ____, y = ____
- 7x + 5y = 75, x = 5 → y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- 2x + 2y = 20, x = 1 → y = ____
- x + y = 11, x − y = 3 → x = ____, y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- 7x + 6y = 73, x = 7 → y = ____
- x + y = 8, x − y = 6 → x = ____, y = ____
- x + y = 5, x − y = -3 → x = ____, y = ____
- x + y = 13, x − y = -5 → x = ____, y = ____
- 2x + 2y = 10, x = 1 → y = ____
- 5x + 4y = 53, x = 9 → y = ____
- 8x + 4y = 68, x = 6 → y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- 6x + 5y = 61, x = 6 → y = ____
- x + y = 8, x − y = 4 → x = ____, y = ____
- 4x + 7y = 45, x = 6 → y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____