Question

38.5^x = 6.5^(x-2)
how can i find x using logarithm?
Help please.

Answer 1

take the log of both sides

and use this log law

\[\log(a^b) = b \times \log (a)\]

then collect like terms and solve

Answer 2

ok. i'll try.

Answer 3

awesome, i got it, thanks a lot! :)