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 = -7 → x = ____, y = ____
- 8x + 9y = 58, x = 5 → y = ____
- 3x + 5y = 37, x = 4 → y = ____
- 8x + 1y = 32, x = 3 → y = ____
- 3x + 5y = 40, x = 5 → y = ____
- 1x + 8y = 77, x = 5 → y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- x + y = 5, x − y = -3 → x = ____, y = ____
- x + y = 17, x − y = 1 → x = ____, y = ____
- 3x + 1y = 26, x = 8 → y = ____
- x + y = 7, x − y = -5 → x = ____, y = ____
- 7x + 3y = 87, x = 9 → y = ____
- 6x + 1y = 12, x = 1 → y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- x + y = 13, x − y = -1 → x = ____, y = ____
- 5x + 4y = 35, x = 3 → y = ____
- 3x + 3y = 21, x = 4 → y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- 4x + 4y = 48, x = 4 → y = ____