document.write( "Question 723386: angle B is the complement of angle A, angle B=51 degrees, and angle A=(3x-12) Can you help me understand how to start and do this.\r
\n" ); document.write( "\n" ); document.write( "Thanks Ricky rawolosuk@yahoo.com
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Algebra.Com's Answer #443153 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
angle B is the complement of angle A,
\n" ); document.write( "angle B=51 degrees, and angle A=(3x-12)
\n" ); document.write( "----
\n" ); document.write( "A + B = 90 degrees
\n" ); document.write( "A + 51 = 90
\n" ); document.write( "A = 39
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\n" ); document.write( "3x-12 = 39
\n" ); document.write( "3x = 51
\n" ); document.write( "x = 17
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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