SOLUTION: If the degree measure of an angle is 40° less than 3 times the degree measure of its supplementary angle, what is the degree measure of the angle?

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Question 819391: If the degree measure of an angle is 40° less than 3 times the degree measure of its supplementary angle, what is the degree measure of the angle?
Answer by stanbon(75887) About Me  (Show Source):
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If the degree measure of an angle is 40° less than 3 times the degree measure of its supplementary angle, what is the degree measure of the angle?
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Angle:: x
Supplement:: 180-x
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Equation:
x = 3(180-x)-40
x = 540-3x-40
4x = 500
x = 125 degrees
180-x = 55 degrees
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Cheers,
Stan H.
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