Double entry is an accounting system that ensures every financial transaction affects at least two accounts. This method helps maintain the accounting equation: Assets = Liabilities + Equity. For every debit entry made, there is a corresponding credit entry, which keeps the books balanced and provides a clear financial picture. This system enhances accuracy and reduces errors in financial reporting. By tracking both sides of a transaction, businesses can easily identify discrepancies and ensure that their records are complete. Double entry is fundamental in modern accounting practices and is widely used by organizations of all sizes.