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
- 9x + 5y = 68, x = 7 → y = ____
- 1x + 6y = 57, x = 3 → y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- 9x + 7y = 81, x = 2 → y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____
- 3x + 7y = 59, x = 8 → y = ____
- x + y = 12, x − y = 4 → x = ____, y = ____
- 9x + 3y = 24, x = 2 → y = ____
- x + y = 14, x − y = 2 → x = ____, y = ____
- x + y = 15, x − y = 1 → x = ____, y = ____
- x + y = 12, x − y = -6 → x = ____, y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- 7x + 3y = 56, x = 5 → y = ____
- x + y = 9, x − y = -3 → x = ____, y = ____
- x + y = 9, x − y = -1 → x = ____, y = ____
- 7x + 7y = 63, x = 4 → y = ____
- 6x + 3y = 54, x = 6 → y = ____
- x + y = 15, x − y = -1 → x = ____, y = ____
- 9x + 2y = 61, x = 5 → y = ____
- 7x + 3y = 78, x = 9 → y = ____