Question

I need help! I don't understand how to get x and y. I need them in order to complete the question.

Answer 1

a+b=180

13y+31y+4=180

44y=176

y=4

r=s

130x-160=30x+40

x=2

b=128

a=52

s=100

r=100

hopefully its correct (✿^‿^)