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