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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

-3(4k+2)+3

We multiply parentheses

-12k-6+3

We add all the numbers together, and all the variables

-12k-3

Back to the equation:

-(-12k-3)



We get rid of parentheses

-3k+12k+3-84=0

We add all the numbers together, and all the variables

9k-81=0

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

9k=81

k=81/9

k=9

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