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 = 16, x − y = -2 → x = ____, y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- x + y = 13, x − y = 5 → x = ____, y = ____
- 9x + 7y = 86, x = 8 → y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- 2x + 8y = 72, x = 4 → y = ____
- x + y = 7, x − y = -5 → x = ____, y = ____
- 1x + 4y = 24, x = 4 → y = ____
- 2x + 3y = 30, x = 6 → y = ____
- x + y = 15, x − y = 3 → x = ____, y = ____
- 4x + 5y = 43, x = 2 → y = ____
- 7x + 8y = 73, x = 7 → y = ____
- x + y = 2, x − y = 0 → x = ____, y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- 9x + 6y = 117, x = 9 → y = ____
- x + y = 16, x − y = 2 → x = ____, y = ____
- 3x + 5y = 21, x = 2 → y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____
- 2x + 1y = 7, x = 3 → y = ____