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This Lesson (MOVIE (FLASH) Introduction to Equations) was created by by nutshellmath(0)    : View Source, ShowAbout nutshellmath: We provide great video lessons based on popular school textbooks.
This very important video lesson explains the concept of an equation and describes its parts: left and right hand sides, the equality sign, constant terms, and an unknown variable. The lesson goes on to describe what does it mean to solve an equation using operations of addition/subtraction and multiplication/division; how to check whether a given value is indeed the correct solution.
This multimedia lesson is provided by NutshellMath, where hundreds of lessons, solutions and tips are provided for the most popular math textbooks used in the US. All lessons are based on Flash technology -- like a movie -- with Voice and Handwriting explanations designed to help middle school and high school math students. Interactive, voice over lessons keep attention focused on math. They have a free trial period -- you do not have to pay anything at start. If you decide to subscribe, the small monthly fee after the free trial ($9.95) is well worth the regained sanity. Proven to improve grades.
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