9(k+7)=81

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Solution for 9(k+7)=81 equation: 



9(k+7)=81

We move all terms to the left:

9(k+7)-(81)=0

We multiply parentheses

9k+63-81=0

We add all the numbers together, and all the variables

9k-18=0

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

9k=18

k=18/9

k=2

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