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#1

$Old$ November 1st, 2009, 12:07 PM

tsmith $tsmith is offline$

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$Default$ Please Help Solve this equation

e^(5x-3) = 10

I am not sure how to solve this because of the e.
Any help is appreciated.

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#2

$Old$ November 1st, 2009, 12:21 PM

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Originally Posted by tsmith $View Post$

e^(5x-3) = 10

I am not sure how to solve this because of the e.
Any help is appreciated.

take the natural log of both sides ...

$5x-3 = \ln(10)$

solve for $x$ as usual

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#3

$Old$ November 1st, 2009, 12:29 PM

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so x would = 1.0606?

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#4

$Old$ November 1st, 2009, 12:31 PM

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so x would = 1.0606?

are you able to check your solution in the original equation?

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#5

$Old$ November 1st, 2009, 12:36 PM

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yes

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