Question: The Linear Combination Lemma says which equations can be gotten from Gaussian reduction of a given linear system. (1) Produce an equation not implied by

The Linear Combination Lemma says which equations can be gotten from Gaussian reduction of a given linear system.
(1) Produce an equation not implied by this system.
3x + 4y = 8
2x + y = 3
(2) Can any equation be derived from an inconsistent system?

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