Respuesta :

Answer:

x = 3

Step-by-step explanation:

-9 + 3(-5x + 7) = -33

-9 - 15x + 21 = -33

- 15x + 12 = -33

         -12 = -12

-15x = -45

/-15    /-15

x = 3

Answer:

x = 3

Step-by-step explanation:

-9+3(-5x+7)=-33

-9-15x+21=-33

12-15x=-33

-15x=-45

x= 3