Respuesta :

Given;

[tex]\begin{gathered} m\angle ABD=(-10x+58)^0 \\ m\angle CBD=(6x+41)^0 \\ m\angle ABC=111^0 \end{gathered}[/tex]

From the given diagram;

[tex]m\angle ABD+m\angle CBD=m\angle ABC[/tex]

substituting the given;

[tex]undefined[/tex]