document.write( "Question 1121583: The sum of Richard's and his older brothers age is 63. The difference between their ages is 13. How old are Richard and his brother? \n" ); document.write( "
Algebra.Com's Answer #737518 by Boreal(15235)\"\" \"About 
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Richard is x
\n" ); document.write( "brother ix y
\n" ); document.write( "x+y=63
\n" ); document.write( "y-x=13
\n" ); document.write( "y=13+x
\n" ); document.write( "substitute
\n" ); document.write( "x+x+13=63
\n" ); document.write( "2x=50
\n" ); document.write( "x=25 Richard
\n" ); document.write( "x+13=38, brother
\n" ); document.write( "
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