If x - 4 = 11 , then the value of x - 8 is?

If x - 4 = 11 , then the value of x - 8 is?

Explanation

Given:

x - 4 = 11

Add 4 to both sides:

x = 15

Now, find x - 8:

x - 8 = 15 - 8

= 7