so let being angle A and angle B ,the sum of these angle measures is equal 180 degrees
m<A +m<B = 180°
suppose angle A measure 3a and angle B measure 2a-25
this mean that
3a +2a-25 = 180
5a = 205
a = 205/5 = 41
so than a=41 than the measure of angle A = 3a = 3*41 = 123 degrees
and the measure of angle B = 2a-25 = 2*41 -25 = 82-25 = 57 degrees
123 +57 = 180
hope helped
