Which method will not solve this equation completely?

-8 + 3y = 19

clear check

a. add 8 to both sides, then divide both sides by 3.

b. divide both sides by 3, then add 83 to both sides.

c. add 8 to both sides, then multiply both sides by 13.

d. subtract 8 from both sides, then divide both sides by 13.