Find the value of
x
x for the following:

x
=
12
x

=12

Answer

144

Step-by-step explanation:

12*12=144?

x=12

x=12

then what?

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)