Mathematics, 02.12.2020 21:30, theojw

∠A and \angle B∠B are supplementary angles. If m\angle A=(7x+7)^{\circ}∠A=(7x+7) ∘ and m\angle B=(4x-14)^{\circ}∠B=(4x−14) ∘ , then find the measure of \angle B∠B.

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∠A and \angle B∠B are supplementary angles. If m\angle A=(7x+7)^{\circ}∠A=(7x+7) ∘ and m\angle B=(4x...