12=-4(4-x)

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



12=-4(4-x)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

-4(-1x+4)

We multiply parentheses

4x-16

Back to the equation:

-(4x-16)



We get rid of parentheses

-4x+16+12=0

We add all the numbers together, and all the variables

-4x+28=0

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

-4x=-28

x=-28/-4

x=+7

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