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
- 2x + 4y = 18, x = 7 → y = ____
- 8x + 9y = 100, x = 8 → y = ____
- x + y = 3, x − y = -1 → x = ____, y = ____
- 5x + 1y = 51, x = 9 → y = ____
- 5x + 9y = 60, x = 3 → y = ____
- 5x + 5y = 60, x = 8 → y = ____
- 8x + 3y = 22, x = 2 → y = ____
- 8x + 7y = 104, x = 6 → y = ____
- x + y = 8, x − y = 2 → x = ____, y = ____
- 8x + 6y = 80, x = 7 → y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- x + y = 5, x − y = 3 → x = ____, y = ____
- 8x + 2y = 42, x = 5 → y = ____
- 7x + 6y = 43, x = 1 → y = ____
- 6x + 3y = 33, x = 3 → y = ____
- 8x + 4y = 44, x = 3 → y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____
- x + y = 5, x − y = -1 → x = ____, y = ____
- 9x + 5y = 33, x = 2 → y = ____