# 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.

### Intro to combining like terms

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.

### Simplifying expressions

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 challenge problem

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

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

### Combining like terms with negative coefficients & distribution

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

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