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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