12=3(x+1/2+6x)

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Solution for 12=3(x+1/2+6x) equation: 



12=3(x+1/2+6x)

We move all terms to the left:

12-(3(x+1/2+6x))=0



Domain of the equation: 2+6x))!=0

We move all terms containing x to the left, all other terms to the right

6x))!=-2

x!=-2/1

x!=-2

x∈R



We add all the numbers together, and all the variables

-(3(+7x+1/2))+12=0

We multiply all the terms by the denominator


-(3(+7x+1+12*2))=0



We calculate terms in parentheses: -(3(+7x+1+12*2)), so:

3(+7x+1+12*2)

We add all the numbers together, and all the variables

3(7x+25)

We multiply parentheses

21x+75

Back to the equation:

-(21x+75)



We get rid of parentheses

-21x-75=0

We move all terms containing x to the left, all other terms to the right

-21x=75

x=75/-21

x=-3+4/7

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