Respuesta :

v + 4 = -2(x - 1)

v + 4 = -2x + 2

v = -2x - 2. [ Final answer]

Hope this helps!
v+4 = -2(x-1)
⇒ v+4=-2x+2
⇒v+4-4=-2x+2-4
v=-2x-2