5-4(X-3)=X-2(X-1)
THX!
簡易方程式
2007-02-19 3:13 am
回答 (2)
2007-02-19 3:21 am
5-4X+12=X-2X+2
17-4X=-X+2
15=3X
X=5
17-4X=-X+2
15=3X
X=5
2007-02-19 3:15 am
5-4X+3=X-2X+1
5+3-1=X-2X+4X
7=3X
X=7/3
5+3-1=X-2X+4X
7=3X
X=7/3
收錄日期: 2021-04-12 23:43:23
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070218000051KK02267