Can someone explain how to do this for me? Please.

+2

(1) Answers

chrissyjackson9

-3+18x+13x-3=180
-6+31x=180
Add 6 to both sides.
31x=186
Divide both sides by 31.
x=6
Plug x into the measure of the vertical angle to B, since vertical angles are congruent.
-3+18(6)
B=105