Is it possible for an organization to enter into a transaction that impacts only the left side of the basic accounting equation? If so, please provide an example of such an entry.

Indicate how each business transactions affects the basic accounting equation for the following:

1. Paid cash for advertising services
2. Purchased supplies for cash
3. Purchased equipment on account
4. Issued common stock to investors in exchange for cash
5. Provided services on account to customers
6. Paid an account payable in full