Respuesta :

Mehek
Plug -15 for x

28 - (- -15) - |10|

28 - 15 - 10

3
28-(-x)-|10|  when x=-15
Let's plug in -15 for x.
28-(15)-|10|
Let's do 28-15 first! 
(28-15)-|10|
(13)-|10|
Remember, |10|=10
(13)-(10)=3
So your answer would be 3! I hope I helped! :)