Respuesta :

if ray BD is an angle bisector of angle ABC then ABD=DBC

2x+y=14+y
2x=14
x=7

5x-y=x+13y
5(7)-y=(7)+13y
35-y=7+13y
35=7+14y
28=14y
2.14=y

Answer: 2.14=y

Hope this helps :)
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