84=4(6k+7)+4k

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Solution for 84=4(6k+7)+4k equation: 



84=4(6k+7)+4k

We move all terms to the left:

84-(4(6k+7)+4k)=0



We calculate terms in parentheses: -(4(6k+7)+4k), so:

4(6k+7)+4k

We add all the numbers together, and all the variables

4k+4(6k+7)

We multiply parentheses

4k+24k+28

We add all the numbers together, and all the variables

28k+28

Back to the equation:

-(28k+28)



We get rid of parentheses

-28k-28+84=0

We add all the numbers together, and all the variables

-28k+56=0

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

-28k=-56

k=-56/-28

k=+2

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