Video

Two-step equations intuition (Full video)

Khan Academy

Supporting grades: 7

Description: This example demonstrates how we solve an equation expressed such: ax + b = c. It's a little more complicated than previous examples, but you can do it! Created by Sal Khan. Let's say we have 3 times x plus 5 is equal to 17. If it was just 3x is equal to 17, you could divide both sides by 3, and you'd get your answer. So 3 times x literally means.

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