Answer:
x = 13
Each side = 27
Step-by-step explanation:
As triangle is an equilateral triangle, all the sides of the triangle are equal.
So,
⇒ 4x - 25 = x + 14
⇒ 3x = 39
⇒ x = 13
hence, measure of each side will be;
each side = 4x - 25
= 4(13) - 25
= 27.