SOLUTION: Two angles are supplementary. The measure of the smaller angle is 13 degrees more than one-third the measure of the larger one. Find the measure of the larger angle.

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Question 1026635: Two angles are supplementary. The measure of the smaller angle is 13 degrees more than one-third the measure of the larger one. Find the measure of the larger angle.
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
measure of larger angle =x
smaller angle = x/3 +13
(x/3 + 13) + x =180
multiply equation by 3
x+39+3x = 540
4x=540-39
4x=501
x=125.25 deg larger angle