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 = 13, x − y = 3 → x = ____, y = ____
- x + y = 10, x − y = 0 → x = ____, y = ____
- 8x + 6y = 54, x = 3 → y = ____
- 6x + 7y = 31, x = 4 → y = ____
- x + y = 12, x − y = -6 → x = ____, y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- 5x + 7y = 54, x = 8 → y = ____
- x + y = 8, x − y = -6 → x = ____, y = ____
- 3x + 8y = 74, x = 6 → y = ____
- 4x + 4y = 28, x = 4 → y = ____
- 7x + 3y = 19, x = 1 → y = ____
- x + y = 12, x − y = 0 → x = ____, y = ____
- 4x + 1y = 31, x = 6 → y = ____
- 9x + 9y = 45, x = 1 → y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- 5x + 9y = 53, x = 7 → y = ____
- x + y = 12, x − y = -4 → x = ____, y = ____
- x + y = 13, x − y = 5 → x = ____, y = ____
- 3x + 6y = 75, x = 9 → y = ____