Given equation is .

   (Multiply each side by 8)

          (Cancel common terms)

             (Multiply: )

  (Subtract 5 from  each side)

        (Apply additive inverse property: )

              (Apply additive identity property: )

                    (Subtract: )

Check the solution:

To Check, substitute  in .

              (Substitute )

                     (Add: )

                      (Divide: )

The solution  is true.

The value of d is .