Question

The sides of a triangle have lengths 2x - 1, x + 5, and 3x - 7, Which of the following describes the perimeter of the triangle in terms of x

Answer 1

the answer is 6x-3

Explanation:

your adding 2x-1, x+5,and 3x-7

this is done by combing like terms

this means 2x, x and 3x get added together(remember the x has a 1 in front of it)this gives you 6x

-1 ,-7, and5 are added together giving you -3

put that together 6x-3