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Identify one way we use letters in algebra, then explain why we use letters in this situation?

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The commonly used letters are “x” . This is used for variables, things that are unknown. This could be used to describe time and etc
User Thivan Mydeen
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Answer:

Letters in algebra are used to represent an unknown value in a mathmatic situation. Letters in this situation are used to turn thoughts into words that can be expressed and explained to others.

Explanation:

User Hemant Rao
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