Question 655819
Hello, 
Since we know supplementary angles add up to 180 degrees then we can maek up the following equation: Let x represent an angle
x + (x-30)=180
Combine like terms and subtract 30:
2x=150
Divide by 2:
x=75
So one angle is 75 degrees and the other is 105 degrees. 
Make sense?
RJ
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