PYQ - Find the solution — task. Maths TNSB Mentoring, Class 10 Crash course.

The solution of the system \(x + y - 3z = -6\), \(-7y + 7z = 7\), \(3z = 9\) is

$x = 2, y = 0, z = 3$
$x = 2, y = 2, z = 0$
$x = 2, y = 2, z = 3$
$x = 0, y = 2, z = 3$

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