document.write( "Question 153627This question is from textbook McDougal Littell Algebra2
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Algebra.Com's Answer #113144 by Edwin McCravy(20060) $\"\"$ $\"About$

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Please help me solve this problem $\"abs%28f%2B3%29=2f%2B4\"$
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document.write( "There are two cases to consider: \r\n" );
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document.write( "Case 1:   where \r\n" );
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document.write( "Case 2:   where \r\n" );
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document.write( "Let's do case 1 first:\r\n" );
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document.write( " where \r\n" );
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document.write( "Then to get rid of the absolute value bars, we can just drop\r\n" );
document.write( "them because the absolute value of any positive number\r\n" );
document.write( "is just that positive number and the absolute value of 0\r\n" );
document.write( "is also just that number, 0.  So\r\n" );
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document.write( "  becomes\r\n" );
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document.write( "Solve that and get \r\n" );
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document.write( "So that is one solution, for when we check it,\r\n" );
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document.write( "------\r\n" );
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document.write( "Now let's do case 2:\r\n" );
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document.write( " where \r\n" );
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document.write( "Here  is a negative number. Therefore to get \r\n" );
document.write( "rid of the absolute value bars, we can make the negative \r\n" );
document.write( "number  positive by multiplying it by -1.  So\r\n" );
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document.write( "  becomes\r\n" );
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document.write( "Solve that and get \r\n" );
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document.write( "However that is not a solution, for when we check it,\r\n" );
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document.write( "=\r\n" );
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document.write( "So there is just one solution, \r\n" );
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document.write( "Edwin

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