How do you solve #log_2x=-1#? Precalculus Properties of Logarithmic Functions Natural Logs 1 Answer Alan N. Aug 18, 2016 #x=1/2# Explanation: #log_2x=-1# #x=2^(-1)# #x=1/2# Answer link Related questions What is the natural log of e? What is the natural log of 2? How do I do natural logs on a TI-83? How do I find the natural log of a fraction? What is the natural log of 1? What is the natural log of infinity? Can I find the natural log of a negative number? How do I find a natural log without a calculator? How do I find the natural log of a given number by using a calculator? How do I do natural logs on a TI-84? See all questions in Natural Logs Impact of this question 1618 views around the world You can reuse this answer Creative Commons License