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document.write( "Learn rules for removing absolute values from\r\n" );
document.write( "inequalities of these forms:\r\n" );
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document.write( "Rule 1:\r\n" );
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,
(where N is not negative)\r\n" );
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document.write( "Write as \r\n" );
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,
, respectively.\r\n" );
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document.write( "then solve. [If N is negative, there is no solution,\r\n" );
document.write( "and solution set = Ø)\r\n" );
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document.write( "Rule 2:\r\n" );
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,
(where N is not negative)\r\n" );
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document.write( "Write as \r\n" );
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, 

\r\n" );
document.write( "respectively.\r\n" );
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document.write( "Then solve each part. (If N is negative, solution set is \r\n" );
document.write( "\"all real numbers\".)\r\n" );
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document.write( "You need Rule 2. I gave you Rule 1 also because you\r\n" );
document.write( "will need it for other problems:\r\n" );
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document.write( "So write:\r\n" );
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\r\n" );
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document.write( "Solve each part:\r\n" );
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document.write( "Add 5 to both sides of both parts:\r\n" );
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\r\n" );
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document.write( "Divide both sides of both parts by
,\r\n" );
document.write( "Notice that dividing an inequality by a NEGATIVE\r\n" );
document.write( "NUMBER reverses the inequality sign:\r\n" );
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\r\n" );
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\r\n" );
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document.write( "So we shade the number line:\r\n" );
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document.write( "1. to the right of -1\r\n" );
document.write( "and\r\n" );
document.write( "2. to the left of
, which is the same as 
.\r\n" );
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document.write( "<=======@-----------@==================>\r\n" );
document.write( " -3 -2 -1 0 1 \r\n" );
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document.write( "The circles should be darkened since the inequalities\r\n" );
document.write( "are all underlined:\r\n" );
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document.write( "Solution in interval notation is \r\n" );
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document.write( "(
,
] U [
,
)\r\n" );
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document.write( "Edwin
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