Question 638322
X=2Y+9
X+Y=180
(2Y+9)+Y=180
3Y=180-9
3Y=171
Y=171/3
Y=57 DEGREES FOR THE SMALLER ANGLE
X=2*57+9
X=114+9
X=123 DEGREES FOR THE LARGER ANGLE.
PROOF:
57+123=180
180=180