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
- 3x + 8y = 63, x = 5 → y = ____
- x + y = 17, x − y = 1 → x = ____, y = ____
- 2x + 4y = 14, x = 1 → y = ____
- x + y = 11, x − y = 7 → x = ____, y = ____
- 7x + 7y = 63, x = 2 → y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- 2x + 5y = 15, x = 5 → y = ____
- 1x + 2y = 17, x = 7 → y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- 5x + 7y = 61, x = 8 → y = ____
- 7x + 1y = 43, x = 5 → y = ____
- x + y = 11, x − y = -1 → x = ____, y = ____
- 8x + 9y = 84, x = 6 → y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- 6x + 4y = 74, x = 7 → y = ____
- 4x + 9y = 64, x = 7 → y = ____
- 7x + 2y = 58, x = 8 → y = ____
- x + y = 14, x − y = 4 → x = ____, y = ____
- 6x + 1y = 38, x = 5 → y = ____
- x + y = 6, x − y = -4 → x = ____, y = ____