Logarithmic equations

2 videos
Learn how to solve equations that contain logarithmic expressions. For example, solve log(x)+log(3)=log(7).

How to solve a logarithmic equation with the variable in the argument (example)

VIDEO 4:13 minutes
Sal solves the equation log(x)+log(3)=2log(4)-log(2).

How to solve a logarithmic equation with a variable in the base (example)

VIDEO 3:28 minutes
Sal solves the equation =log_b(81).