# How do you solve #(n-9)/(n+5)=7/4#?

##### 2 Answers

See a solution process below:

#### Explanation:

First, cross multiply the equation:

Next, subtract

Now, divide each side of the equation by

#### Explanation:

In this equation there is one fraction on each side. The easiest method is to cross multiply. (See below for why it works).

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To get rid of the denominators, multiply both sides by the LCM of the denominators, which is

This leaves you with:

Which is exactly the result from cross-multiplying.