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 = ____
- x + y = 4, x − y = 0 → x = ____, y = ____
- 4x + 6y = 70, x = 7 → y = ____
- 6x + 3y = 39, x = 3 → y = ____
- 4x + 5y = 54, x = 6 → y = ____
- x + y = 6, x − y = -2 → x = ____, y = ____
- x + y = 16, x − y = 2 → x = ____, y = ____
- x + y = 9, x − y = -3 → x = ____, y = ____
- 2x + 7y = 13, x = 3 → y = ____
- 3x + 9y = 81, x = 3 → y = ____
- 4x + 1y = 36, x = 8 → y = ____
- 9x + 7y = 67, x = 2 → y = ____
- 7x + 6y = 83, x = 5 → y = ____
- 2x + 6y = 66, x = 6 → y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- x + y = 13, x − y = -5 → x = ____, y = ____
- x + y = 12, x − y = -4 → x = ____, y = ____
- 3x + 6y = 51, x = 7 → y = ____
- 1x + 3y = 9, x = 6 → y = ____
- 8x + 5y = 86, x = 7 → y = ____