Respuesta :

Answer:

5

Step-by-step explanation:

first you mult 6 into 1 and 2 which would be 6 - 12x = 54

then you add 6 and 54 which is 60

then divide 60 by 12  

X=5

Answer:

x=-4

Step-by-step explanation:

distribute

6·1= 6

6·-2x=-12x

6-12x=54

subtract

-12x+(6-6)=54-6

-12x=48

divide

48/-12=-12x·-12

x=-4