SOLUTION: Use logarithms to solve the given equation. (Round the answer to four decimal places.) 7−4x = 45

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Use logarithms to solve the given equation. (Round the answer to four decimal places.) 7−4x = 45      Log On


   

Question 946214: Use logarithms to solve the given equation. (Round the answer to four decimal places.)
7−4x = 45
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Why logarithms?
7-4x=45
-4x=38
x=-%2838%2F4%29
x=-%2819%2F2%29