SOLUTION: how do i solve: 3^(x-2) = 2,187??

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Question 246723: how do i solve:
3^(x-2) = 2,187??
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
3^y=2187
y=7
x-2=7
x=9
but we want to use logarithms
take the log of base 3 of both sides.
3^(x-2)=2187
x-2=7
x=9