# Algebra foundations

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Lessons

Overview and history of algebraIntroduction to variablesSubstitution and evaluating expressionsEvaluating expressions word problemsQuiz 1Writing algebraic expressions introductionDependent & independent variablesQuiz 2Combining like termsIntroduction to equivalent algebraic expressionsInterpreting linear expressionsDivision by zeroQuiz 3Unit testPractice

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**Algebra foundations**with these 15 questions.About this unit

This topic is an overview of the fundamental ideas and tools of algebra.