SOLUTION: solve. 3e^(x+4)=20

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Question 736548: solve.
3e^(x+4)=20
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
solve.
3e%5E%28x%2B4%29=20
divide both sides by 3
e%5E%28x%2B4%29=20%2F3
Find the nat log of both sides, ln of e is 1, therefore
x + 4 = ln%2820%2F3%29
x + 4 = 1.897
x = 1.987 - 4
x = -2.103
:
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Check on a calc; enter: 3*e^(-2.103+4), results about 20