document.write( "Question 285559: find the measure of an angle such that the sum of the measures of its complement and its supplement is 130 degrees? \n" ); document.write( "
Algebra.Com's Answer #206973 by josmiceli(19441)\"\" \"About 
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Let \"A\" = the unknown angle
\n" ); document.write( "given:
\n" ); document.write( "\"90+-+A+%2B+180+-+A+=+130\"
\n" ); document.write( "\"270+-+2A+=+130\"
\n" ); document.write( "\"-2A+=+-140\"
\n" ); document.write( "\"A+=+70\"
\n" ); document.write( "The angle is 70 degrees
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