document.write( "Question 599495: find the angle equal to 3/7 of its complement. \n" ); document.write( "
Algebra.Com's Answer #378980 by nerdybill(7384)\"\" \"About 
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find the angle equal to 3/7 of its complement.
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\n" ); document.write( "Let x = \"angle\"
\n" ); document.write( "then
\n" ); document.write( "90-x = complement of angle
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\n" ); document.write( "x = (3/7)(90-x)
\n" ); document.write( "multiplying both sides by 7:
\n" ); document.write( "7x = (3)(90-x)
\n" ); document.write( "7x = 270-3x
\n" ); document.write( "10x = 270
\n" ); document.write( "x = 27 degrees
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