SOLUTION: 8 In (5x) =56

Algebra.Com
Question 308665: 8 In (5x) =56
Answer by rapaljer(4671)   (Show Source): You can put this solution on YOUR website!
Divide both sides by 8:
ln(5x)=7

Now, raise both sides of the equation as a power of e, in order to "undo" the ln.





Now, divide both sides by 5:


For additional help with LOGARITHMS, please see my own website by clicking on my tutor name "rapaljer" anywhere in algebra.com. Then click on my website. On my Homepage, look for the link "Basic, Intermediate, and College Algebra: One Step at a Time." Then choose "College Algebra", then "Chapter 4 (Logarithms)". I have a complete explanation of Logarithms that I think you will find my explanation a lot easier to understand than traditional textbooks. Besides this, many of my exercises are solved IN COLOR in the MATH IN LIVING COLOR pages that go with this.

In addition to my written explanations of this topic, there is a video explanation from my own classes from before I retired. All of this is FREE if you have RealPlayer. If you don't have RealPlayer, then it is a FREE download.

I have many other topics from Basic, Intermediate, and College Algebra that are explained in detail, with many of these topics explained on video as well. Everything on the website is FREE.

Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus

RELATED QUESTIONS

negative 8/5x = 56 (answered by etutorworld,MathTherapy,Fombitz)
-8 - |8 - 10a|... (answered by MathLover1)
(I need help finding the remaining reasons for each statement in the column proof, I... (answered by Fombitz)
8|y|=56 (answered by checkley77)
56 in roman... (answered by fractalier,MaxWong)
-89+67*56/8^675 (answered by macston)
4x-2y=16 5x+7y=1 We eliminate. y from 1 to get 2y=4x-16 y=2x-8 We then substitute. in... (answered by solver91311)
Frank can type 56 words in 8 minutes. What is his rate in words per... (answered by Alan3354)
8-5x=8+5x (answered by jim_thompson5910)