# Systems of equations with substitution

Solve systems of equations where one of the equations is solved for one of the variables.

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
# Systems of equations with substitution

### Problem

Solve systems of equations where one of the equations is solved for one of the variables.