更新1:
唔係好明,請詳細 -28x=14
數學 solve the equation, thanks
回答 (3)
2008-09-07 3:47 pm
2008-09-07 7:09 am
x/3 - 5/12 = 3/4 +2x
4x - 5/12 = 9 + 24x/12
12 * (4x - 5/12) = 12 * (9 + 24x/12)
4x - 5 = 9 + 24x
-28x = 14
x = -1/2
4x - 5/12 = 9 + 24x/12
12 * (4x - 5/12) = 12 * (9 + 24x/12)
4x - 5 = 9 + 24x
-28x = 14
x = -1/2
參考: 自己(myself)
收錄日期: 2021-04-23 20:34:09
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080906000051KK03155