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 = 7, x − y = 3 → x = ____, y = ____
- 3x + 7y = 72, x = 3 → y = ____
- 1x + 8y = 19, x = 3 → y = ____
- 1x + 9y = 28, x = 1 → y = ____
- 2x + 1y = 11, x = 5 → y = ____
- 4x + 4y = 36, x = 2 → y = ____
- 7x + 7y = 63, x = 2 → y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 3x + 1y = 7, x = 1 → y = ____
- 7x + 7y = 63, x = 8 → y = ____
- 2x + 5y = 47, x = 1 → y = ____
- x + y = 5, x − y = -3 → x = ____, y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- 2x + 7y = 41, x = 3 → y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- 3x + 7y = 13, x = 2 → y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- 1x + 9y = 83, x = 2 → y = ____
- x + y = 9, x − y = -3 → x = ____, y = ____
- 8x + 7y = 70, x = 7 → y = ____