( a - 1 ) / 4 =2 - ( a +2 ) / 3
(please show working)
Maths (Form 1)
2007-01-16 2:38 am
回答 (3)
2007-01-16 2:51 am
✔ 最佳答案
(a-1)/4=2-(a+2)/3(a-1)/4*12=2*12-(a+2)/3*12
3(a-1)=24-(a+2)4
3a-3=24-4a-8
7a=19
a=19/7
2007-01-16 2:49 am
( a - 1 ) / 4 =2 - ( a +2 ) / 3
3(a-1) =4[2-(a+2)]
3a-3 = -4a
7a = 3
a =3/7
3(a-1) =4[2-(a+2)]
3a-3 = -4a
7a = 3
a =3/7
參考: 我自己
2007-01-16 2:47 am
3x(a-1)=8-4x(a+2)
3a-3=-4a
7a=3
a=3/7
3a-3=-4a
7a=3
a=3/7
收錄日期: 2021-04-24 08:18:09
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070115000051KK03389