Martina is solving the equation 4x-11=2x+391. Here are the first steps of her solution.
4x-11=2x+391
4x=2x+402
2x=402
What did Martina do to get 2x=402
divided both sides by 2
divided the left side by 2x
subtracted 2x from both sides
subtracted 2x from the left side and added 2x to the right side