# How do you solve #lnx=-7#?

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Kayla
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Jan 7, 2017

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Let's use the diagram below:

This photo tells us that the natural log (ln) and the exponential function (

In our case if we raise e to the ln x, we are just left with x on the left side since

Now, we have to do the same thing on the right side and raise e to the -7th power like this:

When you do that calculation, you obtain an approximate value of

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