Refer to the System of Linear Equations below. 4x1- X2- X3 -D3 -2x1 +6x2 +X3 -9 -X1 +X2 +7xg =-6 What is the %ER of x2 in the second iteration? O 92.19% O 20.76% O 14.34% O 32.13%

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