Question

i need the full steps too​

Answer 1

Answer:

x=16

Step-by-step explanation:

To AOB be a straight line the sum of ∠BOC and ∠AOC to be 180°

∠BOC + ∠AOC=180°

7x+20+3x=180°

10x=180-20

10x=160°

x=160/10=16°