document.write( "Question 315484: tom is 8 years old. sidd is 5 years younger than tom .how old is sidd? \n" ); document.write( "
Algebra.Com's Answer #226238 by moshiz08(60)\"\" \"About 
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Tom is eight years old, so \"T+=+8\". \r
\n" ); document.write( "\n" ); document.write( "Sid is 5 years younger than Tom. Younger means that his age is smaller, so we subtract: \"S+=+T+-+5\". \r
\n" ); document.write( "\n" ); document.write( "But we already know that T=8, so we can substitute that into our equation to get \"S+=+T+-+5+=+8+-+5+=+3\", so Sid is 3 years old.
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