Question

Answer for question 3 A and B please. Please explain answers! 32 points

Answer 1

y=50

x=30

z=100

Explanation:

x+20=y

2y=z

x+y+z=180

x+y+2y=180

3y+x=180

-y+x=-20

4y=200

y=50

x=30

z=100