Video: Using Variables to Represent Numbers and Write Equations When Solving a Mathematical or Real-World Problem

Write an equation to describe the following: Negative forty-two is two less than four times a number.

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Video Transcript

Write an equation to describe the following: negative 42 is two less than four times a number.

So let’s take each word and try to dissect what we have. Negative 42, is which is an equal sign, two less than meaning we need to subtract two from something, four times a number: four times 𝑥 — a number we don’t know. And we need two less than that. So we need to subtract two. Therefore, the equation to describe this would be negative 42 equals four 𝑥 minus two.

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