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###### Use Cramer rule find yhe solution of X2 : X1+3x2+X3=1 2x1+X2+X3=5 -2x1+2x2-X3=-8

Use Cramer rule find yhe solution of X2 : X1+3x2+X3=1 2x1+X2+X3=5 -2x1+2x2-X3=-8

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