document.write( "Question 364774: explain the difference between simplyfing and evaluating
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Algebra.Com's Answer #260075 by Edwin McCravy(20054) $\"\"$ $\"About$

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explain the difference between simplyfing and evaluating
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document.write( "To simplify\r\n" );
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document.write( "4x-6y-7x+8\r\n" );
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document.write( "combine like terms:\r\n" );
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document.write( "-3x-6y+8\r\n" );
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document.write( "If all you want to do is simplify, then that is the final answer.\r\n" );
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document.write( "However if we want to evaluate that when x=5 and y=2,\r\n" );
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document.write( "we substitute (5) in place of x and (2) in place of y\r\n" );
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document.write( "-3x-6y+8\r\n" );
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document.write( "-3(5)-6(2)+8 \r\n" );
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document.write( "Then do all the operations:\r\n" );
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document.write( "-15-12+8\r\n" );
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document.write( "-19\r\n" );
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document.write( "Edwin

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