How do you solve #logx = 3#? Precalculus Solving Exponential and Logarithmic Equations Logarithmic Models 1 Answer mason m Nov 20, 2015 #x=1000# Explanation: Note that when #log# is not paired with a base, there base is implied to be #10#. So, #logx# can be written as #log_10x#. #log_10x=3# #10^(log_10x)=10^3# #x=1000# 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 64713 views around the world You can reuse this answer Creative Commons License