Please help out thanks in advance

Answer:
b = 74°
Step-by-step explanation:
Let the unknown angle there be x
so,
b+18°+b-44°+x = 180°
or, 2b°-26 + x = x+b+48°{being linear pair}
or, 2b°-26+x-x = b+48°
or, 2b°-26 = b+48°
or, 2b°-b° = 48°+26°
so, b= 74°