Question: Solve the given system by back substitution. x 1 + 2x 2 + 3x 3 = 0 -5x 2 + 2x 3 = 0 4x

Solve the given system by back substitution.
x1 + 2x2 + 3x3  = 0
       -5x2 + 2x3 = 0
                  4x3 = 0

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