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How do you solve #3^(x-1)=27#?

1 Answer

Dec 30, 2016

#color(green)(x=4)#

Explanation:

Note that #3^3=3xx3xx3=27#

So if #3^(x-1)=27#
then
#color(white)("XXX") x-1=3#
which implies x=4#

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