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
- 9x + 3y = 42, x = 4 → y = ____
- x + y = 12, x − y = 2 → x = ____, y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- x + y = 7, x − y = 3 → x = ____, y = ____
- 3x + 7y = 69, x = 9 → y = ____
- 1x + 7y = 9, x = 2 → y = ____
- x + y = 11, x − y = -1 → x = ____, y = ____
- 9x + 9y = 126, x = 9 → y = ____
- 2x + 5y = 55, x = 5 → y = ____
- 3x + 1y = 7, x = 1 → y = ____
- x + y = 12, x − y = -6 → x = ____, y = ____
- 4x + 2y = 24, x = 2 → y = ____
- 2x + 8y = 78, x = 7 → y = ____
- x + y = 8, x − y = 4 → x = ____, y = ____
- 9x + 2y = 89, x = 9 → y = ____
- x + y = 5, x − y = 3 → x = ____, y = ____
- x + y = 14, x − y = -4 → x = ____, y = ____
- x + y = 11, x − y = -7 → x = ____, y = ____
- 9x + 3y = 15, x = 1 → y = ____
- x + y = 10, x − y = -8 → x = ____, y = ____