How do you solve 2.5 = ln(x)? Precalculus Solving Exponential and Logarithmic Equations Logarithmic Models 1 Answer Bill K. Jul 29, 2015 x=e^{2.5}approx 12.1825 Explanation: log_{b}(c)=d is equivalent to b^{d}=c Since ln(x)=log_{e}(x), ln(x)=2.5 is equivalent to e^{2.5}=x 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 9460 views around the world You can reuse this answer Creative Commons License