Elementary Algebra

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Algebraic Expression

Combining like Terms

How Do You Combine like Terms?

Can you add variables in the same ways as you add numbers? What is $c + c + c$ ? Watch this video to find the answer.

Practice how to add variables on the next page.

Done

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Subtracting Variables

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Adding and Subtracting Unlike Terms

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Multiplying Numbers by Coefficients

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Combining Variables with Exponents

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Replacing a Variable with a Number

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