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
- 2x + 7y = 21, x = 7 → y = ____
- 4x + 6y = 70, x = 4 → y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- 7x + 7y = 70, x = 3 → y = ____
- x + y = 8, x − y = 2 → x = ____, y = ____
- x + y = 6, x − y = -2 → x = ____, y = ____
- x + y = 7, x − y = -3 → x = ____, y = ____
- x + y = 2, x − y = 0 → x = ____, y = ____
- x + y = 5, x − y = -3 → x = ____, y = ____
- 4x + 7y = 71, x = 9 → y = ____
- x + y = 11, x − y = -3 → x = ____, y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- 3x + 2y = 20, x = 4 → y = ____
- 5x + 7y = 37, x = 6 → y = ____
- 9x + 3y = 87, x = 8 → y = ____
- x + y = 14, x − y = 2 → x = ____, y = ____
- 8x + 6y = 86, x = 4 → y = ____
- x + y = 8, x − y = -6 → x = ____, y = ____
- x + y = 12, x − y = -6 → x = ____, y = ____
- 4x + 2y = 42, x = 9 → y = ____