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### Course: Algebra (all content) > Unit 1

Lesson 2: Introduction to variables# Why aren't we using the multiplication sign?

In algebra, representing multiplication with variables can be tricky due to the similarity between the variable "x" and the multiplication symbol. To avoid confusion, use alternative methods like 2⋅x, 2(x), or 2x. Practice evaluating expressions by substituting given values for variables and following the order of operations. Created by Sal Khan.

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