SOLUTION: two angles are supplementary if one is 30° less then four times the other , find the angles

Algebra ->  Angles -> SOLUTION: two angles are supplementary if one is 30° less then four times the other , find the angles       Log On


   

Question 477776: two angles are supplementary if one is 30° less then four times the other , find the angles

Answer by amoresroy(361) About Me  (Show Source):
You can put this solution on YOUR website!
two angles are supplementary if one is 30° less then four times the other , find the angles
Let x = the 1st angle
180-x = the 2nd angle
x = 4(180-x) - 30
x = 720 - 4x - 30
5x= 690
x = 138
180-x = 180-138 = 42
The angles are 138 and 42.