Multiple Choice

As a supply chain analyst, you are using the elimination method to balance logistics costs modeled by the following system of linear equations:

4x+y=5{}4x + y = -5 2x2y=2-2x - 2y = -2

Recalling the standard procedure for the elimination method, what is the primary mathematical reason you must multiply the first equation by 2{}2 before adding it to the second equation?

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Updated 2026-05-19

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