document.write( "Question 465210: the measure of angle n is 18 less than twice the measure of its supplement. find the measure of angle n \n" ); document.write( "
Algebra.Com's Answer #318765 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Two angles are called supplementary angles if the sum of their degree measurements equals \"180\" degrees. One of the supplementary angles is said to be the supplement of the other. \r
\n" ); document.write( "\n" ); document.write( "\"n%2Bn1=180\".....->...\"n1=180-n\"\r
\n" ); document.write( "\n" ); document.write( "given: \"n\" is \"18\" less than \"twice\" the measure of its supplement \"180-n\"\r
\n" ); document.write( "\n" ); document.write( "\"n%2B18=n1\"\r
\n" ); document.write( "\n" ); document.write( "\"n%2B18=180-n\"\r
\n" ); document.write( "\n" ); document.write( "\"2n=180-18\"\r
\n" ); document.write( "\n" ); document.write( "\"2n=162\"\r
\n" ); document.write( "\n" ); document.write( "\"n=162%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"n=81\"......and its supplementary angle is \"n1=180-81=99\"\r
\n" ); document.write( "\n" ); document.write( "check:\r
\n" ); document.write( "\n" ); document.write( "\"n%2B18=n1\"\r
\n" ); document.write( "\n" ); document.write( "\"81%2B18=99\"
\n" ); document.write( "\"99=99\"\r
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