document.write( "Question 1147558: Determine the solution set for the following equations.\r
\n" ); document.write( "\n" ); document.write( "7x+2z=21
\n" ); document.write( "-51-y-3z=5
\n" ); document.write( "4x+4y-z=4
\n" ); document.write( "

Algebra.Com's Answer #768897 by ikleyn(52879)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "Determine the solution set for the following equations.\r
\n" ); document.write( "\n" ); document.write( "7x+2z=21
\n" ); document.write( "-51-y-3z=5
\n" ); document.write( "4x+4y-z=4
\n" ); document.write( "~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Double check your 2-nd equation.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "It looks strange and suspicious.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "            Well-wisher\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );