Atriangle has one side that measures x, and the other two sides each measure 4 inches less than x. the perimeter is 19 inches. what is the measure of x?

step-by-step explanation:

if x = 2 you have to find x to finish the problem

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.