Respuesta :

Answer:

the answer is -4

Step-by-step explanation:

-3x+12=24

     -12 -12

-----------------

     -3x=12

     12 divided by-3= -4

x= -4

Answer:

x=-4

Step-by-step explanation:

move the constant

-3x=24-12

-3x=12

divide both side by -3

ANSWER=-4