How do you solve logx+log8=2? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer Lucy Jun 22, 2018 x=25/2 Explanation: log x+log 8=2 log8x=2 log_10 8x=2 8x=10^2 8x=100 x=100/8 x=25/2 Recall that if it just says log, it means log_10 and the log law: log a+ log b=logab 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 10852 views around the world You can reuse this answer Creative Commons License