Using an Exponent to Undo Log

What is the next step in solving this (using this method)? But there is another way which involves using the log laws (which I know how to do).

I believe the next step involves dividing the bases of the exponents, since the exponents are subtracted.

Re: Using an Exponent to Undo Log

why r u doing this???

isnt log x=log7 +log2

use log a + log b= log ab

and find the answer

Re: Using an Exponent to Undo Log

An example of exponanted stuff:

Since adding, then multiplying comes in.

But with the other example on this page, some subtracting was in there.

Re: Using an Exponent to Undo Log

Do it with the laws of logarithms, you will get the answer straight unless you have a special purpose.

lox x - 1/3 log 8 = log 7

log x - log(8)^(1/3 ) = log 7

log x - log 2 = log 7

log ( x/2) = log 7 that will give x = 14

Re: Using an Exponent to Undo Log

Hello, Jason76!

Simplify the logs *before* you exponentiate.

We have: .

. . . . . . . .

. . . . . . . .

. . . . . . . .

. . . . . . . .

Therefore: n .