SOLUTION: the measure of an angle is x.The measure of its supplement is 3x + 20 degrees.Find the measure of the supplement of the supplement.
Algebra.Com
Question 622547: the measure of an angle is x.The measure of its supplement is 3x + 20 degrees.Find the measure of the supplement of the supplement.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The sum of the measure of an angle and the measure of the angle's supplement is 
, so:
Solve for 
then calculate either 
or 
-- whichever tickles your fancy. Do both if you want to check your work.
John
My calculator said it, I believe it, that settles it
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