Respuesta :

Abu99
If we say:
x = the 'certain number' we want to find
Then, we can formulate an equation:
4x - 23 = 4
Now, solve for x:
4x = 27
x = 27/4 = 6.25
Let the unknown number be x.

Given,

4x - 23 = 4

4x = 27

x = [tex] \frac{27}{4} [/tex] = 6.75

Hence, the number is 6.75