Respuesta :

Answer:

x=3/2

Step-by-step explanation:

[tex]\cfrac{3x-1}{21} =\cfrac{2x-2}{12}[/tex]

[tex]36x-12=42x-21[/tex]

[tex]6x=9[/tex]

[tex]x=\cfrac{3}{2}[/tex]

Hope it helps! :)