SOLUTION: Good afternoon. Can anyone help me solve: 4+5e^-x=9 also, In(4x)= 3 Thanks in advance for the assistance.

Question 481887: Good afternoon. Can anyone help me solve:
4+5e^-x=9
also, In(4x)= 3

Thanks in advance for the assistance.
Found 2 solutions by solver91311, Alan3354:
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Multiply both sides by

Since

John

My calculator said it, I believe it, that settles it

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
4+5e^-x=9

x = 0
-------
also, In(4x)= 3
It's Ln, natural log.
ln(4x) = 3

x =~ 5.021

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