Respuesta :

Answer:

A

Step-by-step explanation:

-6x(x+7)=-4+-2 :

-6x-42=-4+-2: (add 4x on each side)

-2x-42=-2: (add 42 to both sides)

-2x=40 (divide -2 on both sides)

x=-20

Answer:

A

Step-by-step explanation: