How do you solve for x in #log(4x-1)=5#? Precalculus Solving Exponential and Logarithmic Equations Logarithmic Models 1 Answer Konstantinos Michailidis Dec 26, 2015 #x=100001/4# Explanation: Assuming the base of the logarithm is 10 then #log(4x-1)=5=>4x-1=10^5=>x=1/4*(1+10^5)=100001/4# Answer link Related questions What is a logarithmic model? How do I use a logarithmic model to solve applications? What is the advantage of a logarithmic model? How does the Richter scale measure magnitude? What is the range of the Richter scale? How do you solve #9^(x-4)=81#? How do you solve #logx+log(x+15)=2#? How do you solve the equation #2 log4(x + 7)-log4(16) = 2#? How do you solve #2 log x^4 = 16#? How do you solve #2+log_3(2x+5)-log_3x=4#? See all questions in Logarithmic Models Impact of this question 1260 views around the world You can reuse this answer Creative Commons License