Answer:
64
Step-by-step explanation:
Angles DBF and EBF form a linear pair, so:
[tex]5x+6+3x-2=180 \\ \\ 8x+4=180 \\ \\ 8x=176 \\ \\ x=22 \\ \\ \implies m\angle DBF=116^{\circ}[/tex]
Similarly, because angles DBF and DBC form a linear pair, the answer is 64°.