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 = 12, x − y = 2 → x = ____, y = ____
- 3x + 1y = 20, x = 5 → y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- x + y = 6, x − y = -2 → x = ____, y = ____
- 5x + 7y = 64, x = 3 → y = ____
- x + y = 12, x − y = -4 → x = ____, y = ____
- 1x + 4y = 21, x = 1 → y = ____
- 5x + 6y = 82, x = 8 → y = ____
- x + y = 11, x − y = -3 → x = ____, y = ____
- x + y = 10, x − y = -6 → x = ____, y = ____
- x + y = 6, x − y = 4 → x = ____, y = ____
- 8x + 3y = 43, x = 2 → y = ____
- x + y = 14, x − y = 0 → x = ____, y = ____
- 3x + 9y = 42, x = 8 → y = ____
- 8x + 5y = 86, x = 7 → y = ____
- x + y = 10, x − y = -2 → x = ____, y = ____
- 1x + 2y = 15, x = 9 → y = ____
- 7x + 5y = 59, x = 2 → y = ____
- 7x + 5y = 70, x = 5 → y = ____
- 4x + 4y = 20, x = 3 → y = ____