An equation is shown below:

3(4x − 2) = 1

which of the following correctly shows the steps to solve this equation?

step 1: 12x − 2 = 1; step 2: 12x = 3
step 1: 12x − 6 = 1; step 2: 12x = 7
step 1: 7x + 1 = 1; step 2: 7x = 0
step 1: 7x − 5 = 1; step 2: 7x = 6