Solving a System of Two Linear Equations with Substitution

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This Demonstration solves a system of two linear equations with substitution. It solves the first equation for and then substitutes into the second equation. A new equation is then solved for . Two equivalent equations give the identity, so there are infinitely many solutions; in case of a contradictory (inconsistent) system, there are no solutions.

Contributed by: Izidor Hafner (June 2014)
Open content licensed under CC BY-NC-SA


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