更新1:
If a = (m+2)/3 and b = 3(2m +5), express b in terms of a?
if a = m+2/3 and b = 3(2m +5), express b in terms of a?
回答 (3)
2016-08-09 5:11 am
3a = m+2 ; m = 3a-2 ;
b = 3(2m+5) = 3[2(3a-2)+5]
= 3(6a+1) = 18a+3
b = 3(2m+5) = 3[2(3a-2)+5]
= 3(6a+1) = 18a+3
2016-08-14 5:37 am
a=(m+2)/3
3a=m+2
m=3a-2
m=3a-2 i
b=3(2m+5)
b=6m+15
b-15=6m
m=(b-15)/6 ii
i=ii
3a-2=(b-15)/6
18a-12=b-15
b=18a-3
3a=m+2
m=3a-2
m=3a-2 i
b=3(2m+5)
b=6m+15
b-15=6m
m=(b-15)/6 ii
i=ii
3a-2=(b-15)/6
18a-12=b-15
b=18a-3
2016-08-09 7:23 am
收錄日期: 2021-04-18 15:23:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160808205533AAgcKtn