SOLUTION: help! When I put this into my calculator it said "0" solve for x 7e^5x=125 I put in 7 2nd Ln ^(5x)=125 (into a TI 83) what am I doing wrong? What should the answer be?

SOLUTION: help! When I put this into my calculator it said "0" solve for x 7e^5x=125 I put in 7 2nd Ln ^(5x)=125 (into a TI 83) what am I doing wrong? What should the answer be?

Algebra.Com

Question 111897: help!
When I put this into my calculator it said "0"
solve for x
7e^5x=125
I put in 7 2nd Ln ^(5x)=125 (into a TI 83) what am I doing wrong?
What should the answer be?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
not sure about TI 83 keystrokes...

dividing by 7 gives e^(5x)=125/7

taking natural log gives 5x=ln(125/7)

dividing by 5 gives x=(ln(125/7))/5
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