2=2(-1+k)

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



2=2(-1+k)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-2k+4=0

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

-2k=-4

k=-4/-2

k=+2

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