# The formula for the perimeter of a triangle is p=2L+2W what is the formula for W?

##### 1 Answer

Nov 5, 2015

#### Explanation:

Any mathematical equation can be modified as to isolate a single variable. In this case, you would like to isolate

The first step is to subtract

This leaves you with:

When a variable has a coefficient like

By the symmetric property of equality, we can flip this equation around to say: