Question 720320
X+Y=180
X=3Y+8
(3Y+8)+Y=180
4Y=180-8
4Y=172
Y=172/4
Y=43 ANS. FOR THE SMALLER ANGLE.
X+43=180
X=180-43
X=137 ANS. FOR THE LARGER ANGLE.
PROOF:
137+43=180
180=180