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
- 1x + 7y = 15, x = 8 → y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- x + y = 12, x − y = 4 → x = ____, y = ____
- 9x + 5y = 28, x = 2 → y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- 5x + 6y = 67, x = 5 → y = ____
- x + y = 15, x − y = 1 → x = ____, y = ____
- 5x + 4y = 81, x = 9 → y = ____
- x + y = 14, x − y = 2 → x = ____, y = ____
- 9x + 8y = 121, x = 9 → y = ____
- x + y = 12, x − y = 2 → x = ____, y = ____
- 5x + 9y = 88, x = 5 → y = ____
- 8x + 4y = 68, x = 8 → y = ____
- 2x + 8y = 80, x = 8 → y = ____
- 4x + 4y = 44, x = 7 → y = ____
- 5x + 8y = 61, x = 9 → y = ____
- 8x + 4y = 40, x = 2 → y = ____
- 4x + 3y = 51, x = 6 → y = ____
- 9x + 3y = 66, x = 6 → y = ____
- x + y = 15, x − y = 3 → x = ____, y = ____