Respuesta :

Answer: x = -1/12

Step-by-step explanation:

1 Divide both sides by 7

3 - 12x = 28/7

Then simplify 28/7 to 4

3 - 12x = 4

Then Subtract 3 from both sides

-12x = 4 - 3

then simplify 3 - 4 to 1

-12x = 1

then divide both sides by -12

x = -1/12