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 = 15, x − y = -1 → x = ____, y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- 7x + 8y = 70, x = 2 → y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- x + y = 10, x − y = -4 → x = ____, y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- 8x + 3y = 90, x = 9 → y = ____
- 3x + 6y = 39, x = 9 → y = ____
- x + y = 16, x − y = -2 → x = ____, y = ____
- 2x + 2y = 24, x = 4 → y = ____
- 8x + 7y = 77, x = 7 → y = ____
- 9x + 8y = 49, x = 1 → y = ____
- x + y = 13, x − y = 5 → x = ____, y = ____
- 8x + 5y = 26, x = 2 → y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____
- 4x + 1y = 25, x = 4 → y = ____
- x + y = 14, x − y = -4 → x = ____, y = ____
- 5x + 9y = 82, x = 2 → y = ____
- 8x + 3y = 79, x = 8 → y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____