Answer:
x = 89 
(x + 2) = 89 + 2 = 91
Explanation:
The perimeter of shapes always total 360 degrees so the equation should always equal 360 degrees. 
(x + 2) + (x + 2) + x + x = 360
Collect like terms: 4x + 4 = 360 
To get the value of x subtract 4 from both sides: 4x = 356
x = 89