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Determine the value of k such that the following system of linear equations has infinitely many...

Determine the value of k such that the following system of linear equations has infinitely many solutions, and then find the solutions. (Express x, y, and z in terms of the parameters t and s.) 3x − 2y + 4z = 9 −9x + 6y − 12z = k k = (x, y, z) =

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