document.write( "Question 235085: What do x, y, and z equal in the following systems with 3 variables?\r
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document.write( "x+y+z=-1
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document.write( "2x-y+2z=-5
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document.write( "-x+2y-z=4 \n" );
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Algebra.Com's Answer #173258 by Alan3354(69443)![]() ![]() 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( " |