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
- 4x + 5y = 77, x = 8 → y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- 7x + 7y = 35, x = 2 → y = ____
- x + y = 10, x − y = 0 → x = ____, y = ____
- x + y = 15, x − y = 3 → x = ____, y = ____
- x + y = 10, x − y = -2 → x = ____, y = ____
- 5x + 2y = 14, x = 2 → y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- 8x + 1y = 42, x = 5 → y = ____
- x + y = 10, x − y = 8 → x = ____, y = ____
- 4x + 4y = 32, x = 5 → y = ____
- x + y = 13, x − y = -1 → x = ____, y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 8x + 4y = 100, x = 8 → y = ____
- 9x + 5y = 50, x = 5 → y = ____
- x + y = 7, x − y = -5 → x = ____, y = ____
- x + y = 5, x − y = -1 → x = ____, y = ____
- x + y = 8, x − y = 6 → x = ____, y = ____
- x + y = 11, x − y = 7 → x = ____, y = ____