Question

Knowing that the given sides are congruent, find the perimeter of the

triangle. *Congruent is EQUAL
9x-3
4x+7

Answer 1

Explanation:

9x-3=4x+7

+3

9x=4x+10

-4x=-4x

5x=10

divide the 5 by 10 which equals 2.

x=2