document.write( "Question 625319: Steve is 7 years younger tha his brother Richard. If the sum of their ages is 37 years
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Algebra.Com's Answer #393447 by lenny460(1073)\"\" \"About 
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Let the age of Richard be n\r
\n" ); document.write( "\n" ); document.write( "Let the age of Steve be n - 7\r
\n" ); document.write( "\n" ); document.write( "Add their ages together:\r
\n" ); document.write( "\n" ); document.write( "n + n - 7 = 37\r
\n" ); document.write( "\n" ); document.write( "Combine like terms:\r
\n" ); document.write( "\n" ); document.write( "n + n = 2n\r
\n" ); document.write( "\n" ); document.write( "2n - 7 = 37\r
\n" ); document.write( "\n" ); document.write( "Add 7 to each side of the equation\r
\n" ); document.write( "\n" ); document.write( "2n - 7 + 7 = 37 + 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( "37 + 7 = 44\r
\n" ); document.write( "\n" ); document.write( "2n = 44\r
\n" ); document.write( "\n" ); document.write( "Divide each side by 2\r
\n" ); document.write( "\n" ); document.write( "2n/2 = 44/2\r
\n" ); document.write( "\n" ); document.write( "n = 22\r
\n" ); document.write( "\n" ); document.write( "n - 7 = 22 - 7 = 15\r
\n" ); document.write( "\n" ); document.write( "Steve is 15 years old and\r
\n" ); document.write( "\n" ); document.write( "Richard is 22 years old.\r
\n" ); document.write( "\n" ); document.write( "22 + 15 = 37\r
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