SOLUTION: Hi. I need assistance with this LOG problem. I got this far: log((w+8)/(w-5)) Thank you! Solve log(w+8)-log(w-5)=1 w=__________ Hint: use the laws of logs to combine into a si

Question 712366: Hi. I need assistance with this LOG problem. I got this far: log((w+8)/(w-5)) Thank you!
Solve log(w+8)-log(w-5)=1
w=__________
Hint: use the laws of logs to combine into a single log.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
You have to know what the base is,
and when it's not stated, you can
usually assume it is
The trick here is to use

Now you can say

check:

I think the error is due
to rounding off

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