Respuesta :

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