solve the linear equation
ax+b=0
don't tell me that x= -b/a
solve ax+b=0 急!! plz help 20點!
2013-09-09 11:52 pm
回答 (3)
2013-09-10 3:42 am
✔ 最佳答案
1、If a=0 , then b=0, x can be any real number.eg.
(0)x+b=0
0+b=0
b=0
2、If a≠0, then x=-b/a, and b can be any real number.
eg.
2x+b=0
2x=-b
x=-b/2
if there is any problem please comment~
2013-09-10 6:53 am
should we consider the case when a=0 and b<>0 as well ?
2013-09-10 12:03 am
"don't tell me that x= -b/a"
Then what should I tell you?????
Then what should I tell you?????
收錄日期: 2021-04-20 14:15:32
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130909000051KK00120