Posted by Chris on Wednesday, January 12, 2011 at 3:56pm.
log 9 2 = 3x+1
then
9^(3x+1) = 2
log both sides
(3x+1)log9 = log2
3x+1 = log2/log9
3x = log2/log9 - 1
x = (log2/log9 - 1)/3
you do the button-pushing.
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