document.write( "Question 999480: Please help me solve this 4x4 equation
\n" ); document.write( "w+x+y+z=2
\n" ); document.write( "2w-x-y+2z=7
\n" ); document.write( "2w+3x+2y-z=-2
\n" ); document.write( "3w-2x-y-3z=-2
\n" ); document.write( "

Algebra.Com's Answer #617090 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
w+x+y+z=2
\n" ); document.write( "2w-x-y+2z=7
\n" ); document.write( "2w+3x+2y-z=-2
\n" ); document.write( "3w-2x-y-3z=-2
\n" ); document.write( "-----
\n" ); document.write( "Use any method to get:
\n" ); document.write( "w = 1
\n" ); document.write( "x = 0
\n" ); document.write( "y = -1
\n" ); document.write( "z = 2
\n" ); document.write( "------
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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