Respuesta :

Answer:

-28 is the answer.

Step-by-step explanation:

84-56=28

56+28=84

-56+-28=-84

manissaha129

Answer:

[tex] - 56 + x = - 84 \\ x = 56 - 84 \\ \boxed{ x = - 28}[/tex]

x= -28 is the right answer.