angle ABC and angle EBD are a pair of vertical angles; *m *angle ABC= 3x+8 and
*m* angle EBF= 2x +48. What are *m* angle ABC and *m* angle EBF?

Wrong Question. Where did point F come from?

You said ABC and EB**D** are pair of verticle angles. And then question went on givin some new angle EBF , but we do not know where point
F is? The way you gave the above question is not correct.