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
- 7x + 5y = 89, x = 7 → y = ____
- 8x + 4y = 44, x = 5 → y = ____
- 7x + 6y = 64, x = 4 → y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- 3x + 3y = 39, x = 5 → y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- 2x + 2y = 34, x = 9 → y = ____
- x + y = 8, x − y = 4 → x = ____, y = ____
- 1x + 1y = 16, x = 7 → y = ____
- 4x + 8y = 72, x = 2 → y = ____
- x + y = 15, x − y = 3 → x = ____, y = ____
- 2x + 1y = 20, x = 6 → y = ____
- x + y = 12, x − y = -4 → x = ____, y = ____
- 8x + 3y = 75, x = 9 → y = ____
- 8x + 2y = 34, x = 4 → y = ____
- x + y = 10, x − y = -2 → x = ____, y = ____
- 4x + 7y = 69, x = 5 → y = ____
- 7x + 2y = 24, x = 2 → y = ____
- 7x + 8y = 38, x = 2 → y = ____