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 = 7, x − y = -5 → x = ____, y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 6x + 9y = 45, x = 6 → y = ____
- 2x + 4y = 22, x = 3 → y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- 4x + 9y = 57, x = 3 → y = ____
- 2x + 9y = 40, x = 2 → y = ____
- 2x + 2y = 18, x = 1 → y = ____
- 2x + 2y = 14, x = 2 → y = ____
- x + y = 12, x − y = 6 → x = ____, y = ____
- 2x + 8y = 50, x = 1 → y = ____
- 6x + 9y = 75, x = 8 → y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- x + y = 12, x − y = -6 → x = ____, y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- x + y = 12, x − y = 4 → x = ____, y = ____
- 5x + 3y = 39, x = 6 → y = ____