SOLUTION: ∠A and ∠B are supplementary angles. If m∠A=(5x+21)∘ and m∠B=(x−27)∘, then find the measure of ∠A.

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Question 1065378: ∠A and ∠B are supplementary angles. If m∠A=(5x+21)∘ and m∠B=(x−27)∘, then find the measure of ∠A.
Answer by Fombitz(32388) About Me  (Show Source):