document.write( "Question 200352: 3<=|x-2|<=5\r
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document.write( "my answer which is marked wrong was [5,7]
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document.write( "should it be {5,6,7} (-infinity,7] n [5,infinity) ? \n" );
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Algebra.Com's Answer #150641 by edjones(8007) You can put this solution on YOUR website! 3<=|x-2| \n" ); document.write( ". \n" ); document.write( "3<=x-2 \n" ); document.write( "5<=x \n" ); document.write( ". \n" ); document.write( "-3>=x-2 \n" ); document.write( "-1>=x \n" ); document.write( ". \n" ); document.write( "|x-2|<=5 \n" ); document.write( ". \n" ); document.write( "x-2<=5 \n" ); document.write( "x<=7 \n" ); document.write( ". \n" ); document.write( "x-2>=-5 \n" ); document.write( "x>=-3 \n" ); document.write( ". \n" ); document.write( "So: \n" ); document.write( "-3<=x<=-1, 5<=x<=7 \n" ); document.write( "or \n" ); document.write( "[-3, -1], [5, 7] \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |