The identity element for addition property states that zero is the identity element for addition because zero added to any real number is the original number. For example,
[tex]\begin{gathered} 1+0=1 \\ -48+0=-48 \\ 0+a=a \\ 0+19k=19k \end{gathered}[/tex]In this case, we have:
[tex]0+12M=12M[/tex]As we can see, the property mentioned above is fulfilled.
Therefore, the law illustrated by the given expression is the identity element for addition.
