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 + 8y = 36, x = 3 → y = ____
- x + y = 10, x − y = 0 → x = ____, y = ____
- x + y = 12, x − y = 2 → x = ____, y = ____
- 4x + 5y = 66, x = 9 → y = ____
- 7x + 2y = 11, x = 1 → y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- x + y = 12, x − y = 6 → x = ____, y = ____
- 8x + 4y = 72, x = 7 → y = ____
- 2x + 5y = 33, x = 9 → y = ____
- x + y = 12, x − y = 0 → x = ____, y = ____
- 2x + 7y = 69, x = 3 → y = ____
- 5x + 7y = 101, x = 9 → y = ____
- x + y = 17, x − y = -1 → x = ____, y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- x + y = 8, x − y = 0 → x = ____, y = ____
- 5x + 2y = 41, x = 7 → y = ____
- 9x + 4y = 13, x = 1 → y = ____
- x + y = 4, x − y = -2 → x = ____, y = ____
- 7x + 1y = 17, x = 2 → y = ____