SOLUTION: 4^x+3=8^x

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: 4^x+3=8^x       Log On


   



Question 527954: 4^x+3=8^x

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
4%5E%28x%2B3%29=8%5Ex


%282%5E2%29%5E%28x%2B3%29=%282%5E3%29%5Ex


2%5E%282%28x%2B3%29%29=2%5E%283x%29


2%28x%2B3%29=3x ** Note: Since the bases are equal, the exponents are equal.


2x%2B6=3x


6=3x-2x


6=x


x=6


If you need more help, email me at jim_thompson5910@hotmail.com

Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you

Jim