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Writing and Evaluating Expressions with Formulas and Variables
Interactive Video
•
Mathematics
•
6th - 7th Grade
•
Hard
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The video tutorial explains how to use formulas to write and evaluate algebraic expressions by substituting a given number for a variable. It covers finding the perimeter of a square with a side of 2x, calculating speed as distance divided by time, and determining the area of a square with side 2x. The tutorial emphasizes the importance of correctly substituting values into expressions and formulas.
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