Answer:
y = 36.
Explanation:
If you think about it, the three angles in the triangle add up to be 180. The missing angle just so happens to be part of a supplementary angle, that adds to be 180. If the unlabeled angle were denoted as x, we could have...
(y + 5) + y + x = 180
y + 41 + x = 180
(y + 5) + y + x = y + 41 + x
(y + 5) + y = y + 41
2y + 5 = y + 41
y = 36
Hope this helps!