-3(-7k-2)-6=84

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Solution for -3(-7k-2)-6=84 equation: 



-3(-7k-2)-6=84

We move all terms to the left:

-3(-7k-2)-6-(84)=0

We add all the numbers together, and all the variables

-3(-7k-2)-90=0

We multiply parentheses

21k+6-90=0

We add all the numbers together, and all the variables

21k-84=0

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

21k=84

k=84/21

k=4

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