daviddonatelli3 daviddonatelli3 16-09-2022 Mathematics contestada ∠A and \angle B∠B are vertical angles. If m\angle A=(2x+20)^{\circ}∠A=(2x+20) ∘ and m\angle B=(3x+1)^{\circ}∠B=(3x+1) ∘ , then find the value of x.
