document.write( "Question 806026: I need help solving each system of equations. Here are the two question:
\n" ); document.write( "x+y-z=4
\n" ); document.write( " y =6
\n" ); document.write( " y+z=13\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #485624 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
One problem per submission.
\n" ); document.write( "THe first one is very easy\r
\n" ); document.write( "\n" ); document.write( "y =6
\n" ); document.write( "y+z=13
\n" ); document.write( "x+y-z=4
\n" ); document.write( "take them in this order
\n" ); document.write( "y=6
\n" ); document.write( "substitute 6 for y in the 2nd
\n" ); document.write( "6+z=13
\n" ); document.write( "z=7
\n" ); document.write( "now sub in the third
\n" ); document.write( "x+6-13=4
\n" ); document.write( "add 13
\n" ); document.write( "x+6=17
\n" ); document.write( "subtract 6
\n" ); document.write( "x=11\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );