How do you simplify log_2 14 - log_2 7? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer Nicole · Jim H May 14, 2016 log_2(14) - log_2(7) = 1 Explanation: Using the log rule log_x(a) – log_x(b) = log_x(a/b) Rewrite the equation as: log_2(14/7) = log_2(2) Use the log rule: log_x(x) = 1 Therefore log_2(2) = 1 So log_2(14) - log_2(7) = 1 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 7798 views around the world You can reuse this answer Creative Commons License