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If then A-1 Given b = A = -5 5 19 = -1 2 7 1 -1 -4 3 -3 -2 solve Ax

If then A-1 Given b = A = -5 5 19 = -1 2 7 1 -1 -4 3 -3 -2 " solve Ax 6 using A-1.

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