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
- 4x + 4y = 72, x = 9 → y = ____
- x + y = 13, x − y = 5 → x = ____, y = ____
- 7x + 5y = 29, x = 2 → y = ____
- 1x + 2y = 21, x = 9 → y = ____
- x + y = 8, x − y = 6 → x = ____, y = ____
- x + y = 9, x − y = -3 → x = ____, y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- x + y = 5, x − y = -1 → x = ____, y = ____
- 4x + 1y = 23, x = 5 → y = ____
- 6x + 1y = 13, x = 2 → y = ____
- 6x + 1y = 15, x = 2 → y = ____
- x + y = 12, x − y = 6 → x = ____, y = ____
- x + y = 10, x − y = 8 → x = ____, y = ____
- 4x + 1y = 21, x = 4 → y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- 6x + 7y = 97, x = 8 → y = ____
- 4x + 6y = 34, x = 1 → y = ____
- x + y = 6, x − y = 4 → x = ____, y = ____
- x + y = 5, x − y = 3 → x = ____, y = ____
- 8x + 7y = 89, x = 5 → y = ____