document.write( "Question 716555: the supplement of an angle is 10 less than three times its complement. what is the measure of the angle? \n" ); document.write( "
Algebra.Com's Answer #439915 by lynnlo(4176)\"\" \"About 
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3X-10+A(ANGLE)=180
\n" ); document.write( "X+ANGLE =90;ANGLE =90-X
\n" ); document.write( "SUBSTITUTE INTO EQUATION 1
\n" ); document.write( "3X-10+90-X=180
\n" ); document.write( "SUBTRACT 10-90=80
\n" ); document.write( "2X+80==180
\n" ); document.write( "SUBTRACT 80-180=100
\n" ); document.write( "2X=100
\n" ); document.write( "X=200===========COMPLEMENT
\n" ); document.write( "90-200=110======ANGLE
\n" ); document.write( "3(200)-10=590===SUPPLEMENT
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