The fact that each transaction has a dual effect on the accounting elements provides the basis for what is called
(points : 3)
single-entry accounting.
compound-entry accounting.
multiple-entry accounting.
double-entry accounting.

Double entry accounting
a decrease in an asset account can be offset by a decrease in a liability account. for example, if you make a payment on a debt, you reduced your cash (asset) and your accounts payable (liability). in terms of the accounting equation (a = l + c) you would be decreasing your assets (everything held by the business) and your liabilities (creditors' claims on the assets).