Which of the following methods will solve the equation (1/3x – 7)3 = 42 a) Divide the left side of the equation by 3, add 7 to the right side of the
equation, and multiply both sides by 3.
b) Divide both sides by 3, add 7 to both sides, and multiply both sides by 3.
c) Add 7 to both sides, divide both sides by 3, and multiply the left sides by 3.
d) Multiply both sides by 3, add 7 to both sides, and then divide both sides by 3.