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 = 3 → x = ____, y = ____
- 4x + 1y = 37, x = 9 → y = ____
- x + y = 17, x − y = 1 → x = ____, y = ____
- 8x + 6y = 94, x = 5 → y = ____
- 5x + 4y = 34, x = 6 → y = ____
- 2x + 3y = 14, x = 1 → y = ____
- x + y = 8, x − y = -6 → x = ____, y = ____
- x + y = 16, x − y = 2 → x = ____, y = ____
- 5x + 7y = 44, x = 6 → y = ____
- x + y = 11, x − y = -3 → x = ____, y = ____
- 7x + 6y = 75, x = 9 → y = ____
- 4x + 4y = 52, x = 8 → y = ____
- 7x + 5y = 53, x = 4 → y = ____
- x + y = 14, x − y = -4 → x = ____, y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- 7x + 2y = 58, x = 6 → y = ____
- x + y = 12, x − y = -2 → x = ____, y = ____
- 4x + 7y = 67, x = 8 → y = ____
- 2x + 1y = 18, x = 5 → y = ____
- 9x + 8y = 126, x = 6 → y = ____