document.write( "Question 759384: Tom is n years old. In 7 years he will be 21 years old. How old is Tom ?
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Algebra.Com's Answer #462035 by lenny460(1073)\"\" \"About 
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Tom is n years old. In 7 years he will be 21 years old. How old is Tom ?\r
\n" ); document.write( "\n" ); document.write( "n + 7 = 21\r
\n" ); document.write( "\n" ); document.write( "Subtract 7 from each side of the equation.\r
\n" ); document.write( "\n" ); document.write( "n + 7 - 7 = 21 - 7\r
\n" ); document.write( "\n" ); document.write( "Combine like terms:\r
\n" ); document.write( "\n" ); document.write( "7 - 7 = 0\r
\n" ); document.write( "\n" ); document.write( "21 - 7 = 14\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
\n" ); document.write( "\n" ); document.write( "Tom is 14 years old.\r
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\n" ); document.write( "\n" ); document.write( "Lennox Obuong
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\n" ); document.write( "Email: lennoxobuong@yahoo.com
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