document.write( "Question 223247: an angle equals 3x+12. i need to find the complement and supplement \n" ); document.write( "
Algebra.Com's Answer #166969 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
90-3x+12=
\n" ); document.write( "3x=102
\n" ); document.write( "x=34 degrees
\n" ); document.write( "90-34=56 degrees
\n" ); document.write( "180-34=146 degrees
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