# Solve exponential equations using logarithms: base-10 and base-e

Solve exponential equations that have 10 or e at the base of the exponential term.

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
# Solve exponential equations using logarithms: base-10 and base-e

### Problem

Solve exponential equations that have 10 or e at the base of the exponential term.