Answer:
11,156
Step-by-step explanation:
The initial equation is:

Let's transform it for x:

... distract 5:

... divide both sides by 5:
Answer:
120
Step-by-step explanation:
The sum of the angles in a quadrilateral is 360 degrees
2t+t+2t+t = 360
6t = 360
Divide by 6
6t/6 = 360/6
t = 60
Angle Z = 2t
Angle Z = 2*60 = 120
Faces- 5
Edges- 9
Verticies- 6