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Why Do You Need Algebra?
What Is Algebra?
What Is a Variable?
What Is a Coefficient?
What Is an Algebraic Expression?
How do you write operations with numbers as an algebraic expression?
How Do You Replace a Variable with a Number?
How Do You Subtract Variables?
How Do You Add and Subtract Unlike Terms?
How Do You Multiply Numbers by Coefficients?
How Do You Combine Variables with Exponents?
When are two algebraic expressions equivalent?