document.write( "Question 351174: The sum of two numbers are 72. Their difference is 48. Find the numbers.\r
\n" ); document.write( "\n" ); document.write( "so far i did , let x represent the first number
\n" ); document.write( "let y represent the second number.\r
\n" ); document.write( "\n" ); document.write( "x+y=78
\n" ); document.write( "x-y=48\r
\n" ); document.write( "\n" ); document.write( "now i have to solve it but i don't know if i did.
\n" ); document.write( "thank you for helping.
\n" ); document.write( "

Algebra.Com's Answer #251003 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
x+y=78
\n" ); document.write( "x-y=48
\n" ); document.write( "----
\n" ); document.write( "Add and solve for \"x\":
\n" ); document.write( "2x = 126
\n" ); document.write( "x = 63
\n" ); document.write( "----
\n" ); document.write( "Since x+y = 78 , y = 15
\n" ); document.write( "----------------------------
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );