Final answer:
The algebraic expression for 12 divided by a variable t is 12/t, which can be used in equations that require algebraic rearrangement to solve for variables.
Step-by-step explanation:
The algebraic expression for 12 divided by t is written as 12/t. This expression indicates that the number 12 is divided by the variable t. In situations requiring algebraic rearrangement, you may manipulate this expression by multiplying or dividing both sides of an equation to isolate and solve for t or any other variable.