Respuesta :

the answer to it is x=12
jg71

[tex]68 - x = 5x - 10[/tex]
[tex]78 = 6x[/tex]
[tex]13 = x[/tex]
so..
[tex]5x - 10 = 5(13) - 10[/tex]
which is
[tex]55[/tex]
to get full angle..
[tex]55 \times 2 = y[/tex]
[tex]y = 110[/tex]