Which of the following describes a correct process for solving the equation 3(x + 6) = 21 and arrives at the correct solution? A. Divide both sides of the equation by 3, and then subtract 6 from both sides of the equation. The solution is x = 1.

B. Subtract 6 from both sides of the equation, and then divide both sides of the equation by 3. The solution is x = 5.

C. Distribute the 3, subtract 6 from both sides of the equation, and then divide both sides of the equation by 3. The solution is x = 5.

D. Add 6 to both sides of the equation, and then divide both sides of the equation by 3. The solution is x = 9.