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
- 6x + 6y = 18, x = 2 → y = ____
- x + y = 3, x − y = -1 → x = ____, y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 5x + 1y = 21, x = 4 → y = ____
- x + y = 2, x − y = 0 → x = ____, y = ____
- 4x + 8y = 32, x = 6 → y = ____
- 6x + 4y = 32, x = 2 → y = ____
- x + y = 14, x − y = 4 → x = ____, y = ____
- x + y = 12, x − y = 6 → x = ____, y = ____
- 6x + 1y = 41, x = 6 → y = ____
- 8x + 8y = 40, x = 4 → y = ____
- x + y = 10, x − y = 0 → x = ____, y = ____
- 5x + 5y = 60, x = 6 → y = ____
- 4x + 6y = 58, x = 7 → y = ____
- x + y = 12, x − y = -2 → x = ____, y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____
- 3x + 8y = 72, x = 8 → y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- 2x + 8y = 56, x = 8 → y = ____