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 = 5 → x = ____, y = ____
- 8x + 4y = 28, x = 3 → y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- 3x + 4y = 13, x = 3 → y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- 5x + 5y = 45, x = 5 → y = ____
- 9x + 4y = 70, x = 6 → y = ____
- 2x + 6y = 40, x = 8 → y = ____
- 2x + 1y = 13, x = 2 → y = ____
- x + y = 4, x − y = 0 → x = ____, y = ____
- 2x + 8y = 64, x = 8 → y = ____
- x + y = 15, x − y = -1 → x = ____, y = ____
- 7x + 1y = 37, x = 5 → y = ____
- x + y = 12, x − y = -6 → x = ____, y = ____
- 2x + 9y = 69, x = 3 → y = ____
- 2x + 6y = 32, x = 7 → y = ____
- 3x + 2y = 14, x = 2 → y = ____
- x + y = 10, x − y = -4 → x = ____, y = ____
- 2x + 7y = 64, x = 4 → y = ____
- 1x + 8y = 18, x = 2 → y = ____