# Manipulate formulas

Solve multi-variable formulas for a specific variable in order to solve some word problems.

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
# Manipulate formulas

### Problem

Solve multi-variable formulas for a specific variable in order to solve some word problems.