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
- 2x + 9y = 69, x = 3 → y = ____
- x + y = 8, x − y = 2 → x = ____, y = ____
- x + y = 3, x − y = 1 → x = ____, y = ____
- 9x + 6y = 87, x = 7 → y = ____
- 5x + 1y = 17, x = 2 → y = ____
- x + y = 10, x − y = -6 → x = ____, y = ____
- x + y = 7, x − y = -3 → x = ____, y = ____
- 9x + 6y = 117, x = 9 → y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- 4x + 9y = 69, x = 6 → y = ____
- 5x + 3y = 67, x = 8 → y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____
- 8x + 1y = 12, x = 1 → y = ____
- x + y = 12, x − y = -4 → x = ____, y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- 3x + 9y = 72, x = 6 → y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____
- x + y = 4, x − y = -2 → x = ____, y = ____
- 6x + 3y = 72, x = 9 → y = ____
- 7x + 9y = 114, x = 6 → y = ____