Respuesta :

Answer:

x=6

Step-by-step explanation:

12x + 6= 78

      -6     -6

12x = 72

(Divide by 12)

72 divided by 12 is 6.

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Answer:

6

Step-by-step explanation:

12x+6=78

12x+6=78

     -6    -6

12x= 72

12      12

x = 6