<span>-6x - 2 = 40
-6x = 42
x = -7
..................</span>
<h2>
Answer: 55 degrees</h2>
Step-by-step explanation:
Every triangle has 3 sides and 3 interior angles whose measures sum to 180 degrees. For example, a triangle with angles
,
and
:

Following this rule, we will apply it to the angles XYZ, YXZ and the unknown XZY:



Finally:

You need to divide 179.10 by 6