Solve the equations 4x 1 + x 2 + x 3 = -1, -5x 1 + 4x
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Solve the equations
4x1 + x2 + x3 = -1, -5x1 + 4x2 + 3x3 = 4, x1 - 2x2 + x3 = 2
Using the matrix equation x = A-1 C.
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