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A example of a variable in math?

Updated: 11/5/2022
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14y ago

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5n (also known as 5xn)=10, which means n=2. n is the variable.

5-n=2 which means n=3

5/n (I'm trying to say 5 over n, also known as 5 divided by n)=20, which means n=0.25.

5+n=7 n=2.

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Q: A example of a variable in math?
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