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 = 15, x − y = -1 → x = ____, y = ____
- x + y = 13, x − y = 1 → x = ____, y = ____
- 3x + 6y = 75, x = 7 → y = ____
- x + y = 11, x − y = 1 → x = ____, y = ____
- x + y = 13, x − y = 5 → x = ____, y = ____
- 6x + 3y = 39, x = 5 → y = ____
- x + y = 13, x − y = -3 → x = ____, y = ____
- 2x + 1y = 8, x = 1 → y = ____
- 8x + 3y = 51, x = 3 → y = ____
- x + y = 6, x − y = 0 → x = ____, y = ____
- 8x + 3y = 84, x = 9 → y = ____
- 8x + 3y = 33, x = 3 → y = ____
- 5x + 4y = 53, x = 5 → y = ____
- 7x + 7y = 91, x = 9 → y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- 3x + 1y = 30, x = 7 → y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- x + y = 10, x − y = 8 → x = ____, y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- x + y = 12, x − y = -2 → x = ____, y = ____