In Exercises 124, use Gaussian elimination to find the complete solution to each system of equations, or
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In Exercises 1–24, use Gaussian elimination to find the complete solution to each system of equations, or show that none exists.
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3x + y - 4z = 4 = -2 2 w -2w + x + 2y 3w - 2x 2x + y - 6z -w + 3x + 2y - Z=-6
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