Respuesta :

6 - (-2) - 3(-5) = (6 + 2) + 15 = 8 + 15 = 23

Your answer is D. the last one :)
6 - (-2)  -3(-5)

- = -1
-1 x -2 = 2

-3 x -5 = 15

6 + 2 + 15 = 23