SOLUTION: The measure of an angle is 20 less than 3 times its supplement. Find the measure of the angle.

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Question 344711: The measure of an angle is 20 less than 3 times its supplement. Find the measure of the angle.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The measure of an angle is 20 less than 3 times its supplement. Find the measure of the angle
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angle: x
supplement: 180-x
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Equation:
x = 3(180-x)-20
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x = 540-3x-20
4x = 520
x = 130 degrees
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Cheers,
Stan H.