document.write( "Question 344215: determine the measure of an angle whose measure is 9 more than twice the measure of its supplement \n" ); document.write( "
Algebra.Com's Answer #246274 by rfer(16322)\"\" \"About 
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x+2x+9=180
\n" ); document.write( "3x=171
\n" ); document.write( "x=57 degrees
\n" ); document.write( "2x+9=123 degrees
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