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How do you solve the following linear system: $2 x + y + z = 9, x + 2 y - z = 6, 3 x - y + z = 8$ $2x +y +z = 9, x +2y -z = 6, 3x -y +z = 8$ ?

1 Answer

Mar 24, 2016

$x = 3$ $x=3$
$y = 2$ $y=2$
$z = 1$ $z=1$

Explanation:

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