Question: In Problems, solve each system using matrices. X1 + x2 + x3 + X4 = x1 - 2x2 + x3 - 4x4 = -5 -

In Problems, solve each system using matrices.

X1 + x2 + x3 + X4 = x1 - 2x2 + x3 - 4x4 = -5 - x3 + X4 X1 X2 + x3 + x4 = 2 3.

X1 + x2 + x3 + X4 = x1 - 2x2 + x3 - 4x4 = -5 - x3 + X4 X1 X2 + x3 + x4 = 2 3.

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