Key to Algebra books provide a wonderful proggresive course for students. Key to Algebra Book 3 Equations focuses on excersices. The first page of the book provides the history of the Equations.In the end of the book, provided is a Practice Test which reviews the lessons taught in the book. The book provides pages that will teach the process in solving the coming excersices. However, these pages are usually not enough to give a student who is beginning to learn algebraic equations a full understanding. The student may be obliged to ask somebody older to help them.
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