Find a number such that when 5 is subtracted from 5 times the number,

Let the number be $\mathrm{x}$.

According to the question,

$5 \mathrm{x}-5=2 \mathrm{x}+4$

or $5 \mathrm{x}-2 \mathrm{x}=4+5$

or $3 \mathrm{x}=9$

or $\mathrm{x}=\frac{9}{3}$

or $\mathrm{x}=3$

Thus, the number is 3 .