What is the first step in solving the equation 20 = 6x - 4 solving for x?
o Dividing both sides by 6
o Add 4 to both sides
o Subtract 4 from both sides
o Subtract 20 from both sides
o Dividing both sides by 6
o Add 4 to both sides
o Subtract 4 from both sides
o Subtract 20 from both sides