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
- 3x + 5y = 46, x = 7 → y = ____
- 9x + 3y = 84, x = 7 → y = ____
- x + y = 13, x − y = -1 → x = ____, y = ____
- 9x + 9y = 144, x = 8 → y = ____
- 6x + 5y = 57, x = 7 → y = ____
- 1x + 5y = 13, x = 8 → y = ____
- 1x + 7y = 63, x = 7 → y = ____
- 3x + 2y = 25, x = 3 → y = ____
- 3x + 8y = 80, x = 8 → y = ____
- 8x + 3y = 54, x = 6 → y = ____
- x + y = 16, x − y = 0 → x = ____, y = ____
- 2x + 6y = 58, x = 5 → y = ____
- 4x + 6y = 40, x = 7 → y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- x + y = 10, x − y = -2 → x = ____, y = ____
- x + y = 13, x − y = -3 → x = ____, y = ____
- x + y = 8, x − y = 0 → x = ____, y = ____
- 9x + 4y = 87, x = 7 → y = ____
- 3x + 8y = 42, x = 6 → y = ____
- 3x + 4y = 60, x = 8 → y = ____