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 = 10, x − y = -2 → x = ____, y = ____
- x + y = 15, x − y = 3 → x = ____, y = ____
- 8x + 2y = 72, x = 7 → y = ____
- 1x + 4y = 36, x = 8 → y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- 8x + 5y = 47, x = 4 → y = ____
- 2x + 8y = 24, x = 8 → y = ____
- 3x + 9y = 54, x = 3 → y = ____
- x + y = 8, x − y = 0 → x = ____, y = ____
- 8x + 4y = 60, x = 6 → y = ____
- 2x + 4y = 12, x = 4 → y = ____
- 7x + 2y = 42, x = 4 → y = ____
- 7x + 8y = 38, x = 2 → y = ____
- 3x + 7y = 35, x = 7 → y = ____
- 8x + 4y = 84, x = 9 → y = ____
- x + y = 7, x − y = 3 → x = ____, y = ____
- 1x + 2y = 16, x = 6 → y = ____
- 1x + 5y = 22, x = 7 → y = ____
- 2x + 4y = 16, x = 4 → y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____