document.write( "Question 1134567: Devaughns Age is two times Sydney’s age .the sum of their ages is 63 what is Sydney’s age \n" ); document.write( "
Algebra.Com's Answer #751993 by josgarithmetic(39617)\"\" \"About 
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\"system%28D=2S%2CD%2BS=63%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"2S%2BS=63\", using simple substitution;\r
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\n" ); document.write( "S=21, Sydney
\n" ); document.write( "D=42, Devaughn
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