12=-2(k+1)

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Solution for 12=-2(k+1) equation: 



12=-2(k+1)

We move all terms to the left:

12-(-2(k+1))=0



We calculate terms in parentheses: -(-2(k+1)), so:

-2(k+1)

We multiply parentheses

-2k-2

Back to the equation:

-(-2k-2)



We get rid of parentheses

2k+2+12=0

We add all the numbers together, and all the variables

2k+14=0

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

2k=-14

k=-14/2

k=-7

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