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High School Algebra
Domain Reasoning with Equations and Inequalities
Cluster Solve systems of equations.
Standard Prove that, given a system of two equations in two variables, replacing one equation by the sum of that equation and a multiple of the other produces a system with the same solutions.

HSA-REI.C.5

Prove that, given a system of two equations in two variables, replacing one equation by the sum of that equation and a multiple of the other produces a system with the same solutions.

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Tasks

Solving Two Equations in Two Unknowns
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