Which of the following is the correct method for solving the equation x/3-6=9 for x? Add 6 to both sides of the equation, and then divide both sides of the equation by 3. Add 6 to both sides of the equation, and then multiply both sides of the equation by 3. Subtract 6 from both sides of the equation, and then divide both sides of the equation by 3. Subtract 6 from both sides of the equation, and then multiply both sides of the equation by 3.