Respuesta :

Answer:

1 or 0.5

Step-by-step explanation:

x/2=2/(3+x)
Cross multiply.
4=3x+x^2
x^2+3x-4=0
x^2-x+4x-4
x(x-1) 4(x-1)
(x-1)(x+4)

Therefore, x=1.