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 = 5, x − y = -1 → x = ____, y = ____
- 1x + 2y = 8, x = 4 → y = ____
- 4x + 1y = 9, x = 1 → y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- 1x + 1y = 8, x = 1 → y = ____
- 3x + 8y = 45, x = 7 → y = ____
- 6x + 8y = 84, x = 2 → y = ____
- 5x + 5y = 55, x = 6 → y = ____
- x + y = 14, x − y = 2 → x = ____, y = ____
- x + y = 12, x − y = 4 → x = ____, y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- 9x + 3y = 21, x = 1 → y = ____
- 1x + 8y = 34, x = 2 → y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- x + y = 9, x − y = 1 → x = ____, y = ____
- x + y = 11, x − y = 3 → x = ____, y = ____
- 8x + 9y = 69, x = 3 → y = ____
- 7x + 4y = 92, x = 8 → y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- 8x + 3y = 77, x = 7 → y = ____