Respuesta :

The answer is C.) x=15

The equation that you provided is - x - 6 = -26

To solve it, we need to isolate x, so we add 6 to both sides and we get

Now, we have to isolate x by doing the reciprocal of  which is  

So we multiply both sides by  to cancel it out and we are left with

x =  which is

x = 15