A trial balance will balance even if

a journal entry to record the purchase of equipment for cash of $55000 is not posted.

a $13300 cash dividend is debited to dividends for $13300 and credited to cash for $1330.

a $400 collection on accounts receivable is credited to accounts receivable for $400 without a corresponding debit.

a purchase of supplies for $596 on account is debited to supplies for $596 and credited to accounts payable for $569.