Respuesta :

Answer:

-10

Step-by-step explanation:

subtract 4 from both sides

divide by 2

Answer:x= -10

Step-by-step explanation

first add 4 to both sides of the equation which will cancel out the 4 and leave you with 2x= -20

then divide both sides by 2 to get the x by itself and divide -20 by 2 which will give you x= -10