Question

-56 + _ =-84

please help

Answer 1

`- 56 + x = - 84 \\ x = 56 - 84 \\ \boxed{ x = - 28}`

x= -28 is the right answer.

Answer 2

-28 is the answer.

Explanation:

84-56=28

56+28=84

-56+-28=-84