Reasoning with linear equations | Solving equations & inequalities | Algebra I | Khan Academy

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Keep going! Check out the next lesson and practice what you’re learning:

When we perform operations to manipulate equations, some operations produce equivalent equations, while others don't necessarily produce equivalent equations. When we're solving an equation, we need to use operations that guarantee equivalence.
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it's amazing how this guy's voice and video stays the same throughout 12 years

coolmangame
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Dear Math, please grow up so you can solve your own problems.

raichu
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This is downright one of my favorite math videos in history

DinaGamie
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1:30 how many ex's do i have 😅

how am i suppose to know that?😂

A_Good_Boy.
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hi khan academy hope you are well, sal khan where are you from? and can you speak Pashto?

zahirshah