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 = 1 → x = ____, y = ____
- 8x + 5y = 69, x = 8 → y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- 2x + 5y = 26, x = 8 → y = ____
- 8x + 5y = 34, x = 3 → y = ____
- x + y = 13, x − y = -5 → x = ____, y = ____
- 9x + 2y = 86, x = 8 → y = ____
- 6x + 5y = 59, x = 9 → y = ____
- 4x + 7y = 19, x = 3 → y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- 7x + 4y = 15, x = 1 → y = ____
- 9x + 1y = 71, x = 7 → y = ____
- x + y = 11, x − y = -7 → x = ____, y = ____
- x + y = 11, x − y = 3 → x = ____, y = ____
- 5x + 7y = 94, x = 9 → y = ____
- 8x + 9y = 60, x = 3 → y = ____
- x + y = 14, x − y = 2 → x = ____, y = ____
- x + y = 6, x − y = 4 → x = ____, y = ____
- 4x + 9y = 50, x = 8 → y = ____
- x + y = 12, x − y = 4 → x = ____, y = ____