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 = 51, x = 7 → y = ____
- x + y = 11, x − y = 3 → x = ____, y = ____
- x + y = 16, x − y = 2 → x = ____, y = ____
- 8x + 9y = 110, x = 7 → y = ____
- x + y = 5, x − y = -3 → x = ____, y = ____
- 4x + 4y = 28, x = 3 → y = ____
- x + y = 10, x − y = -2 → x = ____, y = ____
- 4x + 9y = 57, x = 3 → y = ____
- 6x + 3y = 66, x = 7 → y = ____
- 6x + 2y = 30, x = 3 → y = ____
- 4x + 4y = 44, x = 9 → y = ____
- x + y = 14, x − y = 0 → x = ____, y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- x + y = 7, x − y = -3 → x = ____, y = ____
- 9x + 3y = 72, x = 7 → y = ____
- x + y = 8, x − y = 4 → x = ____, y = ____
- x + y = 10, x − y = 8 → x = ____, y = ____
- 4x + 7y = 79, x = 4 → y = ____
- x + y = 3, x − y = 1 → x = ____, y = ____
- 6x + 2y = 28, x = 4 → y = ____