# Expressions, equations, & inequalities

Contents
Bring on the algebra! Learn how to manipulate expressions and solve equations and inequalities.
13 exercises available

### The distributive property & equivalent expressions

Learn how to factor and expand algebraic expressions (expressions with variables) by applying the distributive property.

### Interpreting linear expressions

Any expression (mathematical or otherwise) has meaning. Help us match the linear expression to the meaning options given. In some cases, more than one meaning may apply.

### Two-step equations intro

Learn how to solve equations like 2x+7=13 and 3(x+4)=3, which can be solved in two steps.

### Two-step equations with decimals and fractions

Get some practice solving two-step equations that involve decimals and fractions

### Two-step equation word problems

Learn how to set up and solve equations to find answers to real-world questions.

### One-step inequalities

Learn how to solve (mathematical) inequalities. A key concept in this tutorial is flipping the inequality sign when multiplying or dividing both sides by a negative number.

### Two-step inequalities

Learn how to solve more complex (mathematical) inequalities. Also learn to construct inequalities to model real-world situations.