Why double entry exists
Double entry accounting exists because business transactions rarely affect only one part of the business. If cash is received, something else changes too. If stock is purchased, a liability or cash balance changes alongside it.
Recording both sides helps keep the accounting equation balanced and produces more reliable reports.
Debits and credits are categories, not judgements
Many students initially treat debits as positive and credits as negative. That shortcut breaks down quickly. A better way is to understand the normal treatment of each account type and then apply the transaction logically.
Once you can identify the affected accounts and whether they are increasing or decreasing, the debit-credit decision becomes much more manageable.
Use worked examples to make the process automatic
The goal is to move from memorising isolated rules to seeing the flow of each transaction. Worked examples, especially when you narrate the logic aloud, are one of the fastest ways to build that fluency.
If a transaction feels confusing, step back and ask two questions: what changed, and where will that change appear in the records?