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 = 4 → x = ____, y = ____
- 9x + 3y = 72, x = 7 → y = ____
- x + y = 11, x − y = -1 → x = ____, y = ____
- 8x + 7y = 112, x = 7 → y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- 3x + 3y = 48, x = 8 → y = ____
- 7x + 5y = 58, x = 4 → y = ____
- x + y = 7, x − y = -3 → x = ____, y = ____
- x + y = 6, x − y = -4 → x = ____, y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- x + y = 7, x − y = 1 → x = ____, y = ____
- 7x + 5y = 52, x = 6 → y = ____
- 7x + 2y = 38, x = 4 → y = ____
- x + y = 15, x − y = 1 → x = ____, y = ____
- 6x + 5y = 51, x = 6 → y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- x + y = 10, x − y = 8 → x = ____, y = ____
- 3x + 5y = 24, x = 3 → y = ____
- 5x + 1y = 53, x = 9 → y = ____