3 ms·

No, it is "very weird". Without knowing that a matrix represents a system of equations, Gaussian elimination would be pointless.

• godelski 2y ago
  I think we're all in agreement. No need to fight.
• vendiddy 2y ago
  I may not have been clear, but it was given to us as a definition in class. As in we saw the matrix and the corresponding equation. But nobody even told us why! And at that time I never thought to ask.