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Which of these is the algebraic expression for "eight less than some number?"

8 − b

b − 8

Fraction 8 over b

Fraction b over 8

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lgodbout23otm0my
b-8 would be the answer. This is because we are saying you have 8 less than something. So no matter what something is, we are taking away 8 from it. Since our something is unknown, we use our variable 'b' in its place, and subtract 8, giving us b-8.

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