If 7 is added to twice a number and this sum is multiplied by 6, the result is the same as if the number is multiplied by 7 and 12 is added to the product. What is the number

(7+2x)6=7x+12

42+12x=7x+12

42-12= -12x+7x

30= -5x

x= -6

the number is -6

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