SOLUTION: What is the measurement of an angle that is 30 degrees less than its supplement?

Algebra ->  Angles -> SOLUTION: What is the measurement of an angle that is 30 degrees less than its supplement?      Log On


   

Question 666726: What is the measurement of an angle that is 30 degrees less than its supplement?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

What is the measurement of an anglehighlight%28y%29 that is 30 degrees less than its supplementhighlight%28x%29?

  x + y = 180     Or  y+=+x+-+30

 x + (x-30) = 180

   2x - 30 = 180

     2x = 210

      x = 105, the supplement

and y = 75°