Respuesta :

Answer:

FIRST WAY

-4 (x+2)=-84

-4x -8 = -84

-4x = -84+8

-4x = -76

x = 19

SECOND WAY

-4 (x+2)=-84

(x+2) = -84/-4

x+2 = 21

x = 21-2

x = 19