How to Evaluate Variable Expressions with Integers | Evaluate 20-z when z=12 and z=-12 | Part 2 of 2

In this video we learn how to evaluate variable expressions with integers. We evaluated 20-z when z=12 and z=-12. #variableexpressions #integers #minutemath #algebrahelp #algebra #prealgebra #beginningalgebra #mathhelp #onlinemathvideos #lightboard #math #mathvideos #oer #openeducation #freemathvideos

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Marecek, L., Anthony-Smith, M., & Mathis, A. H. (2020). Use the Language of Algebra. In Prealgebra 2e. OpenStax. https://openstax.org/books/prealgebra-2e/pages/3-3-subtract-integers. License: CC BY 4.0. Access for free at https://openstax.org/books/prealgebra-2e/pages/1-introduction ... https://www.youtube.com/watch?v=4LhiUfoTDFw