document.write( "Question 1169872: Suzy is 5 years younger than her brother Joey. The sum of their ages is 25. How old is Suzy?\r
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Algebra.Com's Answer #794709 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "\"system%28S+=+J+-+5%2CS+%2B+J+=+25%29\"\r\n" );
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document.write( "Solve that system by \r\n" );
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document.write( "1. substituting (J-5) for S in the second equation,\r\n" );
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document.write( "2. Solve for J, which will by Joey' age.\r\n" );
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document.write( "3. Substitute the number you get for J in S = J - 5\r\n" );
document.write( "and simplify.  That will be Suzy's age.\r\n" );
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document.write( "Edwin
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