document.write( "Question 338420: I don't know how to explain to my child how to get this.\r
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Algebra.Com's Answer #242564 by Edwin McCravy(20059) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "When you do the same thing to both sides of an equation,\r\n" );
document.write( "you get another equivalent equation.\r\n" );
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document.write( "So let's multiply both sides of the equation by \r\n" );
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document.write( "Now the 's will cancel out on the left and the right side becomes  because it's \r\n" );
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document.write( "So all that's left is\r\n" );
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document.write( "When you do the same thing to both sides of an equation,\r\n" );
document.write( "you get another equation.\r\n" );
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document.write( "This time let's add 5 to both sides of the equation:\r\n" );
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document.write( "Now the  and the  cancel out on the left,\r\n" );
document.write( "and the right becomes  because ut's \r\n" );
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document.write( "So all that's left is\r\n" );
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document.write( "and that is the answer.  Now we can check to make sure it's right.\r\n" );
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document.write( "Start with the original:\r\n" );
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document.write( "Susbtitute  for \r\n" );
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document.write( "We put  in place of the \r\n" );
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document.write( "Now we divide the  by the , and we get\r\n" );
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document.write( "And since the numbers on both sides of the equal sign\r\n" );
document.write( "are the same, we know we did it correctly, and the\r\n" );
document.write( "answer is .\r\n" );
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document.write( "Edwin

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