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 = -3 → x = ____, y = ____
- x + y = 10, x − y = -2 → x = ____, y = ____
- 8x + 7y = 119, x = 7 → y = ____
- 6x + 8y = 120, x = 8 → y = ____
- 2x + 7y = 65, x = 1 → y = ____
- x + y = 16, x − y = -2 → x = ____, y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____
- x + y = 9, x − y = 1 → x = ____, y = ____
- 4x + 5y = 48, x = 7 → y = ____
- 1x + 3y = 25, x = 7 → y = ____
- 6x + 1y = 35, x = 5 → y = ____
- 2x + 9y = 23, x = 7 → y = ____
- 9x + 1y = 15, x = 1 → y = ____
- 7x + 5y = 72, x = 6 → y = ____
- x + y = 11, x − y = -7 → x = ____, y = ____
- 7x + 8y = 105, x = 7 → y = ____
- 1x + 2y = 8, x = 2 → y = ____
- x + y = 13, x − y = 1 → x = ____, y = ____
- 1x + 2y = 4, x = 2 → y = ____