SOLUTION: Find the number of degrees in the measure of an angle that is 20 degrees less than 4 times the measure of its supplement.

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Question 537989: Find the number of degrees in the measure of an angle that is 20 degrees less than 4 times the measure of its supplement.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
x+4x-20=180
5x=200
x=200/5
x=40
4x-20=140