What is 5/4 - 1/3 - 1/2 plz i need to know plz i really need to know tell me if u know

Witch represents the inverse of the function f(x)=1/4x-12

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x

Aphrase is shown read the phrase and give me the answer