Common Core State Standards for Math

HSA-REI.A.1

6b9cc50c-d7cc-11e8-824f-0242ac160002 6b9cca4c-d7cc-11e8-824f-0242ac160002 6b9a44f8-d7cc-11e8-824f-0242ac160002 HSA-REI.A HSA-REI.A.1

Explain each step in solving a simple equation as following from the equality of numbers asserted at the previous step, starting from the assumption that the original equation has a solution. Construct a viable argument to justify a solution method.

Propose a mapping

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