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Mathematics 20 Online
OpenStudy (anonymous):

ln(2.718^18x) = 9

OpenStudy (anonymous):

exponent of e right?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

raise it

OpenStudy (anonymous):

ln(e18x) = 9

OpenStudy (anonymous):

ln(a*x) = b x = e^b/a

OpenStudy (anonymous):

x = 0.123640340e-3

OpenStudy (anonymous):

ok

OpenStudy (zarkon):

is it \[\ln(e^{18x}) = 9\]

OpenStudy (anonymous):

yes

OpenStudy (zarkon):

\[\ln(e^{18x})=18x\ln(e)=18x\]

OpenStudy (zarkon):

solve \[18x=9\]

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