The first step is to add 3 to both sides of the equation:
The original equation is 4x - 3 = 21. Adding 3 to both sides, we have:
4x -3 + 3 = 21 +3 ---> 4x = 24. So the first label is 4x = 24.
The second step is to divide both sides of the equation by 4. If we divided the previous step