document.write( "Question 815367: Devaughn is 6 years younger than Sydney. The sum of their ages is 72 . What is Sydney's age \n" ); document.write( "

Algebra.Com's Answer #490920 by TimothyLamb(4379) $\"\"$ $\"About$

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d = s - 6
\n" ); document.write( "d + s = 72
\n" ); document.write( "---
\n" ); document.write( "d + s = 72
\n" ); document.write( "(s - 6) + s = 72
\n" ); document.write( "2s = 78
\n" ); document.write( "---
\n" ); document.write( "s = 39
\n" ); document.write( "d = 33
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