How do you solve the equation 4log(x+3)=9? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer Monzur R. Nov 17, 2016 x=174.83 Explanation: 4log(x+3)=9 log(x+3)=9/4 10^log(x+3)=10^(9/4 x+3=177.83 x=174.83 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 3873 views around the world You can reuse this answer Creative Commons License