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Elementary transformations

Transformations

Concept 1 of 11 in Matrices

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Think about this

2x+y=52x + y = 5 and x+3y=10x + 3y = 10 have the solution x=1x = 1, y=3y = 3. Which of these keep that solution: swapping the two equations, doubling one, or adding one to the other?