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 + 8y = 57, x = 9 → y = ____
- x + y = 15, x − y = -1 → x = ____, y = ____
- 6x + 6y = 78, x = 8 → y = ____
- 6x + 2y = 26, x = 3 → y = ____
- 5x + 8y = 89, x = 5 → y = ____
- 9x + 8y = 111, x = 7 → y = ____
- 2x + 8y = 34, x = 5 → y = ____
- 2x + 1y = 6, x = 2 → y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- 3x + 9y = 84, x = 1 → y = ____
- 1x + 4y = 5, x = 1 → y = ____
- 5x + 8y = 79, x = 3 → y = ____
- 4x + 3y = 30, x = 6 → y = ____
- 3x + 6y = 33, x = 3 → y = ____
- 2x + 3y = 33, x = 3 → y = ____
- x + y = 6, x − y = 0 → x = ____, y = ____
- x + y = 3, x − y = -1 → x = ____, y = ____
- 9x + 4y = 87, x = 7 → y = ____
- x + y = 6, x − y = -2 → x = ____, y = ____
- 9x + 2y = 95, x = 9 → y = ____