SOLUTION: the sum of twice the supplement of an angle and three times its compliment is 711 degrees. What is its angle?
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Question 168076: the sum of twice the supplement of an angle and three times its compliment is 711 degrees. What is its angle?
Answer by bhembhe(4) (Show Source): You can put this solution on YOUR website!
x-> angle
180-x -> supplement
90-x -> complement
working equation:
2(180-x) + 3(90-x) = 711
360-2x+270-3x = 711
-5x+ 630 = 711
-5x = 81
x = -16.2 degrees
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