Question

a number is divided by 5then decreased by 5 .it becomes -2.find the number​

Answer 1

Let the number be x,

$(\frac{x}{5}) -5 = -2$

$\frac{x}{5} = -2+5$

$\frac{x}{5} = 3$

$x= 3*5$

$x= 15$

The number is 15.

Verification: $\frac{15}{5}= 3-5 =-2$. Hence answer is correct.