Respuesta :

Answer:

The number is 3.

Step-by-step explanation:

Let x be the unknown number.

"3 less than 5 times a number" --> 5x−3

"Number increased by 9" --> x+9

The sum of 24

5x−3+x+9=24

6x+6=24

6x=18

x=3

So, the number is 3.