Respuesta :

Step-by-step explanation:

Hey there!

Given;

4 less than a number "n" is -15.

Equation: n-4 = -15.

Solution of n:

Shift "-4" on right side.

n = -15+4

n = -11

Therefore, n = -11.

Check:

n - 4 = -15

-11-4 = -15

-15 = -15 (True).

Hope it helps....