Respuesta :

-5 - x = 25

add -5 to both sides

-x=-20

x=20

Answer:

Step-by-step explanation:

-5 - z = 25               Add 5 to both sides of the equation

-5+5 - x = 25 + 5

-x = 30                    Multiply both sides by -1

-x*-1 = 30*-1

x = - 30