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Find the value of z in the solution of the following system: 4x + 1y4z = 124 N -5x + 3y + 5z = -87

Find the value of z in the solution of the following system: 4x + 1y4z = 124 N -5x + 3y + 5z = -87 -2x-ly-2z = 6 ||

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