This is a great worksheet for learning how to solve two-step equations. I found teaching how to solve an equation is hard with high school students because they think they already know it all. When I use this worksheet they end up teaching each other more than I could. In pairs, each student will complete a problem in each row. The problems are different, but they have the same answers. The students teach one another and they know if they are doing it correctly by getting the same answers. I have used this in remedial Math classes I've taught, but it would work great in a seventh or eighth grade class too. This has worked awesome in my classroom! Key included!