Respuesta :
E=10
Explanation if you add the 5e to the left side you get 14e and the subtract the 13e and get just e. then you subtract the 4 from 14 and you get e=10
Explanation if you add the 5e to the left side you get 14e and the subtract the 13e and get just e. then you subtract the 4 from 14 and you get e=10