To find the perimeter of the triangle you need to add up all the side lengths
Now move like terms, the ones with x and ones without, next to each other.
(You can skip this step, but I think it makes it easier to understand.)
Now just add like terms to get your answer.
Now move like terms, the ones with x and ones without, next to each other.
(You can skip this step, but I think it makes it easier to understand.)
Now just add like terms to get your answer.
