9(9-k)=84

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Solution for 9(9-k)=84 equation: 



9(9-k)=84

We move all terms to the left:

9(9-k)-(84)=0

We add all the numbers together, and all the variables

9(-1k+9)-84=0

We multiply parentheses

-9k+81-84=0

We add all the numbers together, and all the variables

-9k-3=0

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

-9k=3

k=3/-9

k=-1/3

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