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 = 11, x − y = -7 → x = ____, y = ____
- 8x + 9y = 65, x = 7 → y = ____
- 7x + 3y = 68, x = 8 → y = ____
- x + y = 9, x − y = 1 → x = ____, y = ____
- 9x + 3y = 102, x = 9 → y = ____
- x + y = 5, x − y = -1 → x = ____, y = ____
- 7x + 3y = 59, x = 5 → y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- 3x + 9y = 54, x = 9 → y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 4x + 7y = 54, x = 3 → y = ____
- 5x + 4y = 61, x = 5 → y = ____
- 4x + 3y = 30, x = 3 → y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____
- x + y = 6, x − y = -2 → x = ____, y = ____
- 5x + 5y = 35, x = 2 → y = ____
- 6x + 8y = 90, x = 3 → y = ____
- 6x + 5y = 82, x = 7 → y = ____
- x + y = 10, x − y = -8 → x = ____, y = ____
- x + y = 16, x − y = 2 → x = ____, y = ____