Respuesta :

Willchemistry
[tex] \frac{3}{4} = \frac{1+x}{x} [/tex]

[tex]3x = 4(1+x)[/tex]

Subtract 4 x from  both sides:

[tex]3x-4x=4+4x-4[/tex]

[tex]-x=4[/tex]

Divide both sides by - 1 :

[tex]x = - 4[/tex]

hope this helps!