document.write( "Question 336819: the supplement of an angle is 20 less than three times the angle. find both angles.
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Algebra.Com's Answer #241427 by rfer(16322)\"\" \"About 
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x+3x-20=180
\n" ); document.write( "4x=200
\n" ); document.write( "x=50 degrees
\n" ); document.write( "3x-20=130 degrees
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