All exterior angles of n-gon always add up to 360°
To find the number of sides:
That isn’t a question it is a statement
Answer: 37
Step-by-step explanation:
Sum of the first two is:
-3x+5+7-4x = -7x+12
That subtracted from 5x+17:
5x+17-(-7x+12) = 12x+5