In solving the problems do not have any restrictions, you need only only clear that you have to do and a creative approach to solving the problem. In this branch of mathematics you need lots of practice, not blind memorization and problem solving of various orientation, in different ways. Solving problems - is the most creative and growing segment of Mathematics, thoroughly studying this section you will learn the logical and rational thinking. No less interesting part - this is the solution of equations. The solution of equations involves mastery of the material, the creative flow of ideas and a lot of practice. Believe me, there's nothing better - a lot of hours to solve the equation with a bunch of unknowns, and then realize that you have found the shortest and ideal solution to this equation. Qualitative evaluation of equations, that the key to success in solving equations. In this article, I briefly outlined the course of training for your exams. Acquainted with this article, you may not pass the exam, but clearly understand what went wrong, and will not allow such promashek in the future.