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find all solutions to the system of linear equations. Use your favorite computing device to row-reduce the augmented matrices for the systems, and write the solutions as a set, using correct set notation.
Physics
The augmented matrix row-reduces to
This augmented matrix represents the linear system x1 = 1, x2 =3, x3 = 4, x4 = 1, which clearly has only one possible solution. We can write this solution set then as
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