Question

ASAP Find the value of X ​

Answer 1

Since it is an equilateral triangle all sides are the the same length and all angle are the same degrees.
In order to solve u need to set two of the three equations equal to each other in order to find the value of x.

Solve:
18x-12 = 10x+20

18x-10x=20+12

8x=32

X=4

Answer 2

There ya go. And really hate this required word limit.