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### Course: Algebra (all content) > Unit 1

Lesson 8: Combining like terms# Combining like terms review

A common technique for simplifying algebraic expressions. When combining like terms, such as 2x and 3x, we add their coefficients. For example, 2x + 3x = (2+3)x = 5x.

## What is combining like terms?

We call terms "like terms" if they have the same variable part. For example, $4x$ and $3x$ are like terms, but $4x$ and $3w$ are not like terms.

The cool thing about like terms is that we can combine them into a single term by adding their coefficients. For example:

*Want to learn more about combining like terms? Check out this video.*

## More examples

An example with more than two terms:

An example with more than one variable:

## Check your understanding

*Want more practice like this? Check out this exercise and this other exercise.*

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