Can someone help me I tried many ways but got a different answer

Answer:
v = 21
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Equality Properties
Algebra I
Geometry
Step-by-step explanation:
Step 1: Set Up Equation
2v + 3v + 75 = 180
Step 2: Solve for v
Answer:
21 degrees
Step-by-step explanation:
3v + 2v + 75 = 108
3v + 2v = 5v
5v + 75 = 108
-75 -75
÷5. 105
÷5 = 21
X=21