SOLUTION: How do you solve the exponential equation -5e^-x+9=6

Question 126824: How do you solve the exponential equation -5e^-x+9=6
Found 2 solutions by Earlsdon, solver91311:
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Solve for x:
Subtract 9 from both sides.
Divide both sides by -5.

Invert both sides.
Now take the natural log of both sides.

But , so...

Check:
Substitute x = 0.512

Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Now take the natural logarithm of both sides

Apply and

so:

Finally, multiply by -1

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