SOLUTION: How do you solve for x when x is the exponent in this problem? e^-x=6

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Question 139409: How do you solve for x when x is the exponent in this problem?
e^-x=6

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!
b%5Ey=x => y=log%28b%2C%28x%29%29

So:
e%5E%28-x%29=6 =>

-x=log%28e%2C6%29

x=-log%28e%2C6%29

x=log%28e%2C6%5E%28-1%29%29

x=log%28e%2C1%2F6%29

Just punch it into your calculator. You may need to use the 'ln' button or function to represent log%28e%2C%28x%29%29