Question: Solve the system x 1 + x 2 + 4 x 3 = - 4 3 x 1 + 4 x 2 - 4 x

Solve the system
x1+x2+4x3=-4
3x1+4x2-4x3=5
Solve the system x1+x2+4x3=-4 3x1+4x2-4x3=5

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