How do you write as a single logarithm Log_b 2 + Log_bx- Log_by? Precalculus Properties of Logarithmic Functions Functions with Base b 1 Answer cspark1981 Nov 2, 2015 log_b 2 + log_b x − log_b y = log_b ((2x)/y) Explanation: log_c a + log_c b = log_c (ab) log_c a - log_c b = log_c (a/b) Answer link Related questions What is the exponential form of log_b 35=3? What is the product rule of logarithms? What is the quotient rule of logarithms? What is the exponent rule of logarithms? What is log_b 1? What are some identity rules for logarithms? What is log_b b^x? What is the reciprocal of log_b a? What does a logarithmic function look like? How do I graph logarithmic functions on a TI-84? See all questions in Functions with Base b Impact of this question 2420 views around the world You can reuse this answer Creative Commons License