Respuesta :

y = 2x + 14 (1st)
-4x - y = 4  
y = -4x - 4 (2nd)

so
2x + 14 = -4x - 4
6x = -18
  x = -3

y = 2x + 14  = y = 2(-3) + 14  = 8

answer y = 8