If a triangle has sides with lengths of 2x-7, 5x -3, and 2x -2. what is the perimeter of the triangle?

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.

Xis -1/2
y is 35/4.