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 1398 views around the world You can reuse this answer Creative Commons License