rxosx3433 rxosx3433

30-11-2018
Mathematics

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When we don't know the number in an algebraic expression, that is called

substitution

an operation

a variable

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Thisguy248 Thisguy248

30-11-2018

When we don't know the number, we represent it as a letter such as x or y. These are called variables.

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30-11-2018

This is called a variable

Answer Link

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