document.write( "Question 189586: can you please help me find two numbers whose sum is 63 and whose difference is 5 \n" ); document.write( "
Algebra.Com's Answer #142264 by nerdybill(7384) You can put this solution on YOUR website! can you please help me find two numbers whose sum is 63 and whose difference is 5 \n" ); document.write( ". \n" ); document.write( "Let x = 1st number \n" ); document.write( "and y = 2nd number \n" ); document.write( ". \n" ); document.write( "x + y = 63 \n" ); document.write( "x - y = 5 \n" ); document.write( ". \n" ); document.write( "Solving the bottom equation for x: \n" ); document.write( "x - y = 5 \n" ); document.write( "x = 5 + y \n" ); document.write( ". \n" ); document.write( "Substitute the above into the top equation and solve for y: \n" ); document.write( "x + y = 63 \n" ); document.write( "5 + y + y = 63 \n" ); document.write( "5 + 2y = 63 \n" ); document.write( "2y = 58 \n" ); document.write( "y = 29 \n" ); document.write( ". \n" ); document.write( "Substitute the above into bottom equation and solve for x: \n" ); document.write( "x - y = 5 \n" ); document.write( "x - 29 = 5 \n" ); document.write( "x = 34 \n" ); document.write( ". \n" ); document.write( "Your two numbers are 29 and 34 \n" ); document.write( " \n" ); document.write( " |