aim; How do we evaluate algebraic Expression?

12x             4/y

12 x X     4

                y

3xy/2

 

3.y÷2 

  the different between variable it is display differently such as instead of how it was display it way different the Symbols are different for dividing i made it a fraction instead with the 

÷ i used different Constants the expression is Shown  different as it showen below