Respuesta :

Answer:

-16

Step-by-step explanation:

when u see c+ -4 you would do the opposite so that would be subtraction so basically-4-20 and that is -16 here is an example when it comes to division: d÷2=3 so that would be 3×2= 6 so then u plug it in to check your work and 6÷2=3 hopes this helps

Answer:

c=-16

Step-by-step explanation:

c-4=-20

c=-20+4

c=-16