# How do you condense #3 log + 4 log y - 2 log z#?

##### 1 Answer

Dec 17, 2016

#### Answer:

#### Explanation:

Condense

Note: I assumed there was a typo in the question and added an

First, use the log rule

Next, use the log rules

There is a somewhat silly expression for this rule: in the land of logs, addition is multiplication and subtraction is division.