84=2k+4(1-3k)

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Solution for 84=2k+4(1-3k) equation: 



84=2k+4(1-3k)

We move all terms to the left:

84-(2k+4(1-3k))=0

We add all the numbers together, and all the variables

-(2k+4(-3k+1))+84=0



We calculate terms in parentheses: -(2k+4(-3k+1)), so:

2k+4(-3k+1)

We multiply parentheses

2k-12k+4

We add all the numbers together, and all the variables

-10k+4

Back to the equation:

-(-10k+4)



We get rid of parentheses

10k-4+84=0

We add all the numbers together, and all the variables

10k+80=0

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

10k=-80

k=-80/10

k=-8

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