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Mathematics 15 Online
OpenStudy (anonymous):

solve log8(x-5)=2/3

OpenStudy (anonymous):

Write that out in exponential form... It should be easy from there on....

OpenStudy (anonymous):

is the given base is 8

OpenStudy (anonymous):

x-5=8 2/3 ??

OpenStudy (anonymous):

if base is 8 then the exponential form can be written as x-5 = 8^(2/3)

OpenStudy (anonymous):

thats what i did

OpenStudy (anonymous):

or x-5=(2^3)^(2/3) x-5 = 2^2 x-5=4 x=5+4 x=9

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