-12=-4(k+12)

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Solution for -12=-4(k+12) equation: 



-12=-4(k+12)

We move all terms to the left:

-12-(-4(k+12))=0



We calculate terms in parentheses: -(-4(k+12)), so:

-4(k+12)

We multiply parentheses

-4k-48

Back to the equation:

-(-4k-48)



We get rid of parentheses

4k+48-12=0

We add all the numbers together, and all the variables

4k+36=0

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

4k=-36

k=-36/4

k=-9

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