tengbaud000 tengbaud000 20-04-2021 Mathematics contestada ∠A and \angle B∠B are vertical angles. If m\angle A=(7x-8)^{\circ}∠A=(7x−8) ∘ and m\angle B=(6x+17)^{\circ}∠B=(6x+17) ∘ , then find the value of x.