Multi-step equations are just equations that require more than one step to solve. They might involve addition, subtraction, multiplication, and division, and you need to follow the right order of operations to get the answer. It's like following a recipe: if you skip a step or do things out of order, you might end up with a mess on your hands!
For example, let's say you have the equation 2x + 5 = 11. To solve for x, you'd first subtract 5 from both sides of the equation, and then divide both sides by 2. That's two steps, and ta-da! you've got your answer. It's not so hard, right?