SOLUTION: If a matrix B results from a matrix A by applying an elementary row operation, is there always an elementary row operation that can be applied to B to recover A ? Show that if t

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Question 251815: If a matrix B results from a matrix A by applying an elementary row operation, is there always an elementary row operation that can be applied to B to recover A ?
Show that if the linear equations

x1 + kx2 = c and x1 + lx2 = d have the same solution set, then the equations are identical

Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
They are equivalent not identical.
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