SOLUTION: Please explain how you got the answer. thank you If 5^(log_5 8)=2x then x= 8 7 6 5 4

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Please explain how you got the answer. thank you If 5^(log_5 8)=2x then x= 8 7 6 5 4       Log On


   

Question 756433: Please explain how you got the answer. thank you
If 5^(log_5 8)=2x
then x=
8
7
6
5
4
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
5^(log_5 8)=2x
Should be shown rendered as:
5%5E%28log%285%2C8%29%29=2x

Using the inverse meaning of 5%5Ex and log%285%2Cx%29 we have
The left Side is 5%5Elog%285%2C8%29=8.
8=2x
x=4