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@ Find solution set of this system of equations. x + x 2 + 2x3 + x4 = 2 2x + 3x2 + xz

@ Find solution set of this system of equations. x + x 2 + 2x3 + x4 = 2 2x + 3x2 + xz - x4 = -1 2x + 4x2 -2x3+2x4 2x + x2 + 4x3+2x = 14x + 6x+xz + 2x4 = 1.

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