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 = 11, x − y = -1 → x = ____, y = ____
- 2x + 3y = 31, x = 2 → y = ____
- 2x + 4y = 22, x = 7 → y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- x + y = 10, x − y = 0 → x = ____, y = ____
- x + y = 16, x − y = -2 → x = ____, y = ____
- x + y = 10, x − y = -8 → x = ____, y = ____
- x + y = 12, x − y = 6 → x = ____, y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- 7x + 5y = 51, x = 3 → y = ____
- 5x + 1y = 18, x = 2 → y = ____
- x + y = 13, x − y = -1 → x = ____, y = ____
- x + y = 16, x − y = 0 → x = ____, y = ____
- 7x + 4y = 26, x = 2 → y = ____
- 7x + 9y = 126, x = 9 → y = ____
- 7x + 1y = 64, x = 8 → y = ____
- x + y = 8, x − y = 4 → x = ____, y = ____
- x + y = 15, x − y = 3 → x = ____, y = ____
- 7x + 2y = 32, x = 2 → y = ____