Question
Translate the following statements into an equation, using $x$ as the variable: One fifth of a number is $5$ less than that number.

Answer

Let the number be $x$
One-fifth of this number $=\frac{\text{x}}{5}$
According to the question, $\frac{\text{x}}{5}=\text{x}-5$
So, the required equation is $\frac{\text{x}}{5}=\text{x}-5$

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