Combining like terms

4 videos
3 skills
Learn how to combine like terms (with negative numbers and variables), including more complex problems involving the distributive property.

Combining like terms introduction

VIDEO 4:33 minutes
In simple addition we learned to add all the numbers together to get a sum. In algebra, numbers are sometimes attached to variables and we need to make sure that the variables are alike before we add the numbers.

How to simplify an expression by combining like terms and the distributive property

VIDEO 4:07 minutes
We've learned about order of operations and combining like terms. Let's layer the distributive property on top of this.

Combining like terms, but more complicated

VIDEO 4:39 minutes
This example of combining like terms in an expression get a little hairy. Listen closely.

Combining like terms with negative coefficients

Simplify algebraic expressions by combining like terms. Coefficients on some terms are negative.

Combining like terms with distribution and negative numbers

Practice combining like terms using the distributive property. These problems involve adding and subtracting negative numbers.

Examples of simplifying expressions involving rational numbers

VIDEO 4:16 minutes
Learn how to simplify algebraic expressions by combining like terms. The expressions in this video have decimal and fraction coefficients.

Combining like terms with rational coefficients

Practice combining like terms for expressions that have rational coefficients. This requires adding and subtracting fractions.