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Given  \begin{align*}
px+qy+rz&=1,\\
p+qx+ry&=z,\\
pz+q+rx&=y,\\
py+qz+r&=x,\\
p+q+r&=-3,
\end{align*}

find $x+y+z$

 Jun 30, 2018
 #1
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Can u make it more clear?

 Dec 11, 2018

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