How do you solve #log_9 (3x)+log_9 2 =2#? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer Shwetank Mauria Jul 19, 2016 #x=13.5# Explanation: #log_9(3x)+log_9(2)=2# #hArrlog_9(3x×2)=2# #hArr3x×2=9^2# or #6x=81# i.e. #x=81/6=27/2=13.5# Answer link Related questions What is the common logarithm of 10? How do I find the common logarithm of a number? What is a common logarithm or common log? What are common mistakes students make with common log? How do I find the common logarithm of 589,000? How do I find the number whose common logarithm is 2.6025? What is the common logarithm of 54.29? What is the value of the common logarithm log 10,000? What is #log_10 10#? How do I work in #log_10# in Excel? See all questions in Common Logs Impact of this question 1277 views around the world You can reuse this answer Creative Commons License