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solve the following linear system by gauss-jordan method   x1 + x2 - 2x3 + x4 =...

solve the following linear system by gauss-jordan method  

x1 + x2 - 2x3 + x4 = 8

3x1 - 2x2 - x4 = 3

-x1 + x2 - x3 + x4 = 2

2x1 - x2 + x3 - 2x4 = -3

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Answer #1

Rewrite the system in matrix form and solve by Gauss-Jordan method:

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