How do you solve log_7 4-log_7(x-4)=log_7 41? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer EZ as pi ยท Noah G Aug 7, 2016 x = 168/41 Explanation: log_7 4-log_7(x-4)=log_7 41 If log terms are being subtracted, the numbers are being divided. log_7(4/(x-4))= log_7 41 :. 4/(x-4)= 41 " if " logA = logB, "then " A = B 4 = 41(x-4) 4 = 41x -164 4+164 = 41x 168 = 41x x = 168/41 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 1959 views around the world You can reuse this answer Creative Commons License