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 = 9, x − y = 5 → x = ____, y = ____
- x + y = 14, x − y = -4 → x = ____, y = ____
- 5x + 5y = 60, x = 6 → y = ____
- 1x + 3y = 22, x = 7 → y = ____
- x + y = 5, x − y = -1 → x = ____, y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- x + y = 12, x − y = 6 → x = ____, y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- 1x + 8y = 12, x = 4 → y = ____
- 7x + 8y = 99, x = 5 → y = ____
- x + y = 6, x − y = -2 → x = ____, y = ____
- 4x + 6y = 50, x = 8 → y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- 7x + 9y = 87, x = 6 → y = ____
- x + y = 14, x − y = 2 → x = ____, y = ____
- x + y = 8, x − y = 0 → x = ____, y = ____
- x + y = 13, x − y = -1 → x = ____, y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- 8x + 9y = 129, x = 6 → y = ____
- x + y = 12, x − y = -6 → x = ____, y = ____