k-2-4(k-1)=-19

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Solution for k-2-4(k-1)=-19 equation: 



k-2-4(k-1)=-19

We move all terms to the left:

k-2-4(k-1)-(-19)=0

We add all the numbers together, and all the variables

k-4(k-1)+17=0

We multiply parentheses

k-4k+4+17=0

We add all the numbers together, and all the variables

-3k+21=0

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

-3k=-21

k=-21/-3

k=+7

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