SOLUTION: Find the measures of supplementary angles, 5x+90, 3x-6

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Question 804528: Find the measures of supplementary angles, 5x+90, 3x-6
Answer by erica65404(394) About Me  (Show Source):
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%285x%2B90%29%2B%283x-6%29=180
8x%2B84=180
8x=96
x=12
plug into both equations
5%2812%29%2B90
60%2B90
150
3%2812%29-6
36-6
30
The angles are 150 and 30.