Question 275305
We know B = C,so we know 10x + 10 = 9y - 2
thus x = (9y -12)/10
and A + B + C = 180
14x + 11y + 8 = 180
14 (9y - 12)/10 + 11y = 172
126y - 168 + 110y = 1720
236y = 1888
y = 8
x = (72 - 12)/10 = 6
So B = 70
C = 70
A = 40