document.write( "Question 64927: Can I also have help with this one...\r
\n" ); document.write( "\n" ); document.write( "solve for x and y for x-y=4 and x+y=4\r
\n" ); document.write( "\n" ); document.write( "I am having such a hard time solving the problem... please help
\n" ); document.write( "

Algebra.Com's Answer #45396 by navytutor(7)\"\" \"About 
You can put this solution on YOUR website!
First solve for any of the variables in any of the equations and then plug it in back in the other equation. x=4+y, then (4+y)+y=4 ---> 4+2y=4 2y=0 y=0, then x=4!!! \n" ); document.write( "
\n" );