Respuesta :

Answer:

x=4

Step-by-step explanation:

-3x+12-12=x-4-12

-3x=x-16

-3x-x=x-16-x

-4x=-16

-4 divided by -16

x=4

Answer:

Step-by-step explanation:

- 3x + 12 = x-4

+3x

12= 4x -4

+4

16 = 4x

Divided by 4

4= x

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