Respuesta :

Answer: [tex]\frac{5}{2}[/tex]

Explanation:

ABC ≈ DEF

this means that AB = DE, BC = EF, and AC = DF

The only equivalent sides provided are BC = EF

 BC = EF

   x  =  3x - 5

-3x   -3x        

-2x =       -5

÷ -2       ÷-2

   x =    [tex]\frac{5}{2}[/tex]