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OpenStudy (yrivers36):
Solve for all variable. x+y-3z=11 -2x+y+2z=1 -y+z=-7
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OpenStudy (aravindg):
http://www.wolframalpha.com/input/?i=x%2By-3z%3D11%2C+-2x%2By%2B2z%3D1+++%2C+++++-y%2Bz%3D-7
OpenStudy (aravindg):
medal plzzz
OpenStudy (anonymous):
X=0, Y=5 , Z=-2
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