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 = 5 → x = ____, y = ____
- x + y = 12, x − y = 2 → x = ____, y = ____
- 6x + 5y = 46, x = 6 → y = ____
- x + y = 16, x − y = -2 → x = ____, y = ____
- 1x + 5y = 28, x = 8 → y = ____
- 7x + 5y = 81, x = 8 → y = ____
- 2x + 4y = 50, x = 7 → y = ____
- x + y = 9, x − y = -3 → x = ____, y = ____
- x + y = 6, x − y = -4 → x = ____, y = ____
- x + y = 12, x − y = 6 → x = ____, y = ____
- 9x + 5y = 38, x = 2 → y = ____
- 3x + 9y = 39, x = 1 → y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- x + y = 12, x − y = 4 → x = ____, y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- 2x + 1y = 5, x = 1 → y = ____
- x + y = 9, x − y = 1 → x = ____, y = ____
- 5x + 2y = 38, x = 4 → y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____