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Mathematics 17 Online
OpenStudy (anonymous):

log(6x+5)=2

hartnn (hartnn):

use the log property \(\Large \log_ab=c \implies b =a^c \)

hartnn (hartnn):

here, the base of log is 10 , since its not mentioned so, take a=10

hartnn (hartnn):

b= 6x+5 and c=2

OpenStudy (anonymous):

So It Becomes Kinda Like This log10 (6x+5)=2?

hartnn (hartnn):

\(\log (6x+5)=2\) and \(\log_{10} (6x+5)=2\) are same

OpenStudy (anonymous):

6x+5=10^2 ?

hartnn (hartnn):

correct! find x from there

OpenStudy (anonymous):

Wait Thats All I Do? But Thats Too Easy Are You Sure?

hartnn (hartnn):

yep, you asked an easy question :)

hartnn (hartnn):

you still need to find x though :P

OpenStudy (anonymous):

Thank You So Its Like This: 6x+5=10^2 6x+5=100 -5 -5 6x=95 /6 x=15.833

OpenStudy (anonymous):

http://www.wolframalpha.com/input/?i=solve+log%286x%2B5%29%3D2+ this will also help

hartnn (hartnn):

yep, thats correct! :) you did it

OpenStudy (haseeb96):

@hartnn u are great

OpenStudy (anonymous):

Thank You

hartnn (hartnn):

not actually haseeb, but thanks :) welcome Lanna ^_^

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