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)![]() ![]() You can put this solution on YOUR website! 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( " |