SOLUTION: Is anyone able to answer this for me? Thanks if so 5^x-3=137 Thanks!

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Is anyone able to answer this for me? Thanks if so 5^x-3=137 Thanks!      Log On


   

Question 110864: Is anyone able to answer this for me? Thanks if so
5^x-3=137
Thanks!
Answer by HyperBrain(694) About Me  (Show Source):
You can put this solution on YOUR website!
5%5Ex-3=137
5%5Ex-3%2B3=137%2B3
5%5Ex%2B0=140
5%5Ex=140
log%285%5Ex%29=log%28140%29
x+log%285%29=log%28140%29
x=log%28140%29%2F%28log%285%29
x=2.14612803567824%2F0.69897000433602=3.070

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HyperBrain!