SOLUTION: log(x+9)=log(2x-7) I do not need the answer so much as how to do this.

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: log(x+9)=log(2x-7) I do not need the answer so much as how to do this.      Log On


   



Question 748647: log(x+9)=log(2x-7)
I do not need the answer so much as how to do this.

Answer by timvanswearingen(106) About Me  (Show Source):
You can put this solution on YOUR website!
You raise 10 to the power of both sides...the 10 and log cancel out, so you end up with just x+9=2x-7 and you can solve from there.
10%5Elog%28%28x%2B9%29%29=10%5Elog%28%282x-7%29%29
x%2B9=2x-7