How do you solve #6.5log_5(3x)=20#? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer Noah G Sep 30, 2016 #log_5(3x) = 20/6.5# #3x = 5^(20/6.5)# #x = 5^(20/6.5)/3# #x~= 47.16# Hopefully this helps! 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 1780 views around the world You can reuse this answer Creative Commons License