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 = ____
- 8x + 3y = 55, x = 5 → y = ____
- x + y = 5, x − y = -3 → x = ____, y = ____
- x + y = 12, x − y = 2 → x = ____, y = ____
- 3x + 1y = 14, x = 2 → y = ____
- 7x + 9y = 67, x = 7 → y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____
- x + y = 10, x − y = -6 → x = ____, y = ____
- 6x + 9y = 84, x = 5 → y = ____
- 9x + 7y = 39, x = 2 → y = ____
- x + y = 13, x − y = -3 → x = ____, y = ____
- 7x + 8y = 50, x = 6 → y = ____
- x + y = 17, x − y = 1 → x = ____, y = ____
- x + y = 16, x − y = 2 → x = ____, y = ____
- 1x + 9y = 12, x = 3 → y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- x + y = 8, x − y = 6 → x = ____, y = ____
- x + y = 11, x − y = 1 → x = ____, y = ____
- 3x + 5y = 63, x = 6 → y = ____