Question

Can someone explain stp by step

Answer 1

`\sf\\\textsf{These two angles, }5x-6\textsf{ and }4x+5\textsf{ are vertically opposite, so they are equal.}\\5x-6=4x+5\\\textsf{or, }x=6+5\\\textsf{or, }x=11\\\textsf{i.e. }m\angle CAB=11`