12=4(7+8x-3x)

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Solution for 12=4(7+8x-3x) equation: 



12=4(7+8x-3x)

We move all terms to the left:

12-(4(7+8x-3x))=0

We add all the numbers together, and all the variables

-(4(5x+7))+12=0



We calculate terms in parentheses: -(4(5x+7)), so:

4(5x+7)

We multiply parentheses

20x+28

Back to the equation:

-(20x+28)



We get rid of parentheses

-20x-28+12=0

We add all the numbers together, and all the variables

-20x-16=0

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

-20x=16

x=16/-20

x=-4/5

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