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
- 7x + 9y = 108, x = 9 → y = ____
- x + y = 7, x − y = 3 → x = ____, y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- x + y = 17, x − y = -1 → x = ____, y = ____
- x + y = 8, x − y = -6 → x = ____, y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- x + y = 16, x − y = -2 → x = ____, y = ____
- 2x + 3y = 30, x = 6 → y = ____
- x + y = 8, x − y = 0 → x = ____, y = ____
- 1x + 4y = 37, x = 5 → y = ____
- x + y = 7, x − y = -3 → x = ____, y = ____
- 1x + 9y = 89, x = 8 → y = ____
- x + y = 6, x − y = -2 → x = ____, y = ____
- 7x + 6y = 78, x = 6 → y = ____
- 3x + 8y = 64, x = 8 → y = ____
- x + y = 16, x − y = 2 → x = ____, y = ____
- 1x + 8y = 15, x = 7 → y = ____
- x + y = 15, x − y = -1 → x = ____, y = ____
- x + y = 18, x − y = 0 → x = ____, y = ____