I don't know how to solve this.

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- Dec 18th 2008, 08:02 AMmwokLogarithm exponential, solve for x
I don't know how to solve this.

- Dec 18th 2008, 08:23 AMMush
- Dec 18th 2008, 10:00 AMtester85
Take not lne = 1

e^1-2x = 5

lne^1-2x = ln 5 ( ln both sides )

1-2x(lne) = ln5

1-2x = ln5

2x = 1-ln5

x = 1-ln5/2