12=4(x-1)+4x

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Solution for 12=4(x-1)+4x equation: 



12=4(x-1)+4x

We move all terms to the left:

12-(4(x-1)+4x)=0



We calculate terms in parentheses: -(4(x-1)+4x), so:

4(x-1)+4x

We add all the numbers together, and all the variables

4x+4(x-1)

We multiply parentheses

4x+4x-4

We add all the numbers together, and all the variables

8x-4

Back to the equation:

-(8x-4)



We get rid of parentheses

-8x+4+12=0

We add all the numbers together, and all the variables

-8x+16=0

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

-8x=-16

x=-16/-8

x=+2

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