-12=4(w-1)

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Solution for -12=4(w-1) equation: 



-12=4(w-1)

We move all terms to the left:

-12-(4(w-1))=0



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

4(w-1)

We multiply parentheses

4w-4

Back to the equation:

-(4w-4)



We get rid of parentheses

-4w+4-12=0

We add all the numbers together, and all the variables

-4w-8=0

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

-4w=8

w=8/-4

w=-2

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