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Lesson Index If you have little or no algebra background, you may read the lessons in the order listed below. If you have some algebra background, you can usually skip to any topic that you need to learn or review. Algebra Basics Equation Basics The equation and its relationship with a balance. Sample Problem 2x + 7 = x + 18 Solution x = 11 Proportion Basics How to solve basic proportions. Sample Problem 12 = 4 3 x Solution x = 1 Word Problem Basics Introduces methods for solving integer word problems through equations. Sample Problem What are two consecutive even integers that have a sum of 26? Solution 12 and 14 Simplifying Simplifying Intro An introduction to simplifying concepts. Simplifying Multiple Signs