Respuesta :

[tex] \dfrac{6}{18} = \dfrac{x}{36} [/tex] 

[tex] \dfrac{1}{3} = \dfrac{x}{36} [/tex] 

[tex] \dfrac{1}{3} * 36 = x[/tex]   [tex]|Multiply \ by \ 36|[/tex]

[tex]x= \dfrac{36}{3} [/tex]  [tex]|Divide \ both \ sides \ by \ 3|[/tex]

[tex]x=12[/tex]
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