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
- x + y = 15, x − y = -3 → x = ____, y = ____
- 2x + 1y = 13, x = 5 → y = ____
- 4x + 3y = 40, x = 4 → y = ____
- 3x + 4y = 28, x = 8 → y = ____
- x + y = 3, x − y = 1 → x = ____, y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- 1x + 8y = 22, x = 6 → y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- 1x + 9y = 51, x = 6 → y = ____
- 6x + 8y = 90, x = 7 → y = ____
- 1x + 5y = 52, x = 7 → y = ____
- x + y = 12, x − y = -2 → x = ____, y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- x + y = 5, x − y = -3 → x = ____, y = ____
- x + y = 6, x − y = 4 → x = ____, y = ____
- x + y = 7, x − y = 3 → x = ____, y = ____
- x + y = 6, x − y = -4 → x = ____, y = ____
- 8x + 3y = 35, x = 1 → y = ____