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Mathematics 7 Online
OpenStudy (anonymous):

Find the solution of the exponential equation, correct to four decimal places. 5^x=4^(x+2)

OpenStudy (anonymous):

I know that the log of both sides should be taken and then move the exponent to the front of the log but that's as far as i got.

OpenStudy (anonymous):

That's good start :) Yes, take log base 4 for both sides: x log4 of 5 = x + 2

OpenStudy (anonymous):

im not quite sure what to do from there?

OpenStudy (anonymous):

x log4 of 5 - x= 2

OpenStudy (anonymous):

-> x = ...

OpenStudy (anonymous):

i wanna scream.. i keep seeing the x's cancel out!!

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