document.write( "Question 336577: This seems like it would be so obvious but it's giving me a hard time...\r
\n" ); document.write( "\n" ); document.write( "Can you help me with adding $\"abs%283pi+-7%29\"$ and $\"abs%287pi+-26%29\"$ \r
\n" ); document.write( "\n" ); document.write( "I don't see how it can't be $\"10pi%2B33\"$ \r
\n" ); document.write( "\n" ); document.write( "Please help.
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Algebra.Com's Answer #241220 by Edwin McCravy(20086) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"abs%283pi+-7%29\"$ $\"%22%22%2B%22%22\"$ $\"abs%287pi+-26%29\"$
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document.write( "To remove absolute value bars, you\r\n" );
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document.write( "1. Decide whether what is between the absolute value bars is a positive\r\n" );
document.write( "number or a negative number.\r\n" );
document.write( "2. If it is a positive number, simply replace the absolute value bars by\r\n" );
document.write( "parentheses.\r\n" );
document.write( "3. If it is a negative number, replace the absolute value bars by  \r\n" );
document.write( "parentheses BUT PUT A - SIGN IN FRONT.\r\n" );
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document.write( "Between the absolute value bars of , we have\r\n" );
document.write( ".  We know that  is approximately 3.14, so we\r\n" );
document.write( "substitute 3.14 for  and see whether that is a positive number \r\n" );
document.write( "or a negative number:\r\n" );
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document.write( ".  That is a positive number.  Now we don't\r\n" );
document.write( "want to use 2.42 because that is only approximate.  We just did that\r\n" );
document.write( "to find out whether  is positive or negative.  We found out\r\n" );
document.write( "that it is positive. So step 2 applies:\r\n" );
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document.write( "We just replace the absolute value bars by parentheses and so far we have:\r\n" );
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document.write( "Between the absolute value bars of , we have\r\n" );
document.write( ".  We know that  is approximately 3.14, so we\r\n" );
document.write( "substitute 3.14 for  and see whether that is a positive number \r\n" );
document.write( "or a negative number:\r\n" );
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document.write( ".  That is a negative number.  Now we don't\r\n" );
document.write( "want to use -4.02 because that is only approximate.  We just did that\r\n" );
document.write( "to find out whether  is positive or negative.  We found out\r\n" );
document.write( "that it is negative. So step 3 applies:\r\n" );
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document.write( "We replace the absolute value bars by parentheses BUT WE PUT A - SIGN IN \r\n" );
document.write( "FRONT.\r\n" );
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document.write( "To keep two signs from coming together, we put brackets around the\r\n" );
document.write( "second - sign and the parentheses:\r\n" );
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document.write( "Now we remove the parentheses inside the brackets:\r\n" );
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document.write( "Now we remove the parentheses and the bracket:\r\n" );
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document.write( "Collect like terms:\r\n" );
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document.write( "or so it won't begin with a -, make it\r\n" );
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document.write( "Edwin

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