I need to know what v =

Answer:
v = 9
Step-by-step explanation:
Since the triangles are similar then corresponding angles are congruent
∠B and ∠Q are corresponding angles, hence
6v - 5 = 5v + 4 ( subtract 5v from both sides )
v - 5 = 4 ( add 5 to both sides )
v = 9