3(3-3k)=81

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Solution for 3(3-3k)=81 equation: 



3(3-3k)=81

We move all terms to the left:

3(3-3k)-(81)=0

We add all the numbers together, and all the variables

3(-3k+3)-81=0

We multiply parentheses

-9k+9-81=0

We add all the numbers together, and all the variables

-9k-72=0

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

-9k=72

k=72/-9

k=-8

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