Video

Representing a relationship with an equation (Full video)

Khan Academy

Supporting grades: 6

Description: Equations are about relationships (no, not girlfriends and boyfriends!) between the two sides of the equation. Let's again use a scale example to help us understand. Created by Sal Khan. I now want to refigure out what this mystery mass is, but we're going to start using a little bit more of mathematics. And I'll represent that mystery mass by the question mark right over here. But that's not the only thing that we have on the left-hand side.

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