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
- 3x + 1y = 21, x = 6 → y = ____
- 1x + 7y = 17, x = 3 → y = ____
- x + y = 17, x − y = 1 → x = ____, y = ____
- x + y = 5, x − y = 3 → x = ____, y = ____
- x + y = 12, x − y = 4 → x = ____, y = ____
- 8x + 3y = 38, x = 4 → y = ____
- x + y = 11, x − y = -7 → x = ____, y = ____
- 1x + 7y = 51, x = 9 → y = ____
- 4x + 8y = 60, x = 5 → y = ____
- 4x + 8y = 28, x = 1 → y = ____
- 4x + 2y = 14, x = 1 → y = ____
- 1x + 8y = 69, x = 5 → y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- 5x + 5y = 70, x = 6 → y = ____
- 6x + 1y = 59, x = 9 → y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- 9x + 5y = 80, x = 5 → y = ____
- x + y = 14, x − y = -4 → x = ____, y = ____
- x + y = 6, x − y = 4 → x = ____, y = ____