SOLUTION: Solve for x. e^-3x+2=40

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Question 369724: Solve for x.
e^-3x+2=40

Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
Not sure whether you meant:
e%5E-3x%2B2=40
Or
e%5E%28-3x%2B2%29=40
.
I'll assume the later:
e%5E%28-3x%2B2%29=40
take the ln of both sides to give:
-3x%2B2=ln%2840%29
-3x=ln%2840%29-2
x+=+%28ln%2840%29-2%29%2F%28-3%29
x+=+1.6889%2F%28-3%29
x+=+-0.563