SOLUTION: I am stuck on how to solve the problem 6^-3x=15 I do not understand logrithms at all. Thank you for your help. LC

SOLUTION: I am stuck on how to solve the problem 6^-3x=15 I do not understand logrithms at all. Thank you for your help. LC

Algebra.Com

Question 534786: I am stuck on how to solve the problem 6^-3x=15
I do not understand logrithms at all.
Thank you for your help.
LC
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Suppose I say
Then

I know that

So, is somewhere between and
and,

so, must be between -(2/3) and -(1/3)
You could find the answer by trying

etc
on a calculator until you get very, very close to 15
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