Algebra I Module 1, Topic C, Lesson 23

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Student Outcomes

  • Students create systems of equations that have the same solution set as a given system.
  • Students understand that adding a multiple of one equation to another creates a new system of two linear equations with the same solution set as the original system.  This property provides a justification for a method to solve a system of two linear equations algebraically.

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Common Core Learning Standards

CCLS State Standard
A.REI.5 Prove that, given a system of two equations in two variables, replacing one equation by the sum of...

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