-2(k-1)=-12

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



-2(k-1)=-12

We move all terms to the left:

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

We add all the numbers together, and all the variables

-2(k-1)+12=0

We multiply 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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