Current time:0:00Total duration:6:55

0 energy points

# Variables, expressions, & equations

Learn what variables, expressions, and equations really are. Created by Sal Khan.

If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content
# Variables, expressions, & equations

Current time:0:00Total duration:6:55

0 energy points

Learn what variables, expressions, and equations really are. Created by Sal Khan.