document.write( "Question 235085: What do x, y, and z equal in the following systems with 3 variables?\r
\n" ); document.write( "\n" ); document.write( "x+y+z=-1
\n" ); document.write( "2x-y+2z=-5
\n" ); document.write( "-x+2y-z=4
\n" ); document.write( "

Algebra.Com's Answer #173258 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
There's no unique solution.
\n" ); document.write( "Adding the 2nd and 3rd equations gives the 1st equation, so they're dependent.
\n" ); document.write( "
\n" );