I think this is the way that the problem was given
Solve x−(−8)=2, for x=6
If so then plug (x=6)==> -6 -(-8)=2==> - 6 +8 =2, hence 2=2
I can’t see the graph for b and d…
Angle B corresponds to angle Y
Answer:
sorry for the late answer but it's a, b, and d. hope it helps :)