Respuesta :

First muliply everything by 20x to get rid of the denominator
[tex] \frac{20x}{4x} [/tex]=[tex] \frac{20x}{20x} [/tex] [tex]+20x[/tex]
=[tex]5= 1 + 20x[/tex]
=[tex]4=20x[/tex]
=[tex]x= \frac{1}{5} [/tex]