Question 336819
the supplement of an angle is 20 less than three times the angle. 
find both angles.
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Let the angle be "x".
Then the supplement is "180-x".
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Equation:
180-x = 3x-20
4x = 200
x = 50 degrees (the angle)
180-x = 130 (the supplement)
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Cheers,
Stan H.
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