-18=3(-3f+3)

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Solution for -18=3(-3f+3) equation: 



-18=3(-3f+3)

We move all terms to the left:

-18-(3(-3f+3))=0



We calculate terms in parentheses: -(3(-3f+3)), so:

3(-3f+3)

We multiply parentheses

-9f+9

Back to the equation:

-(-9f+9)



We get rid of parentheses

9f-9-18=0

We add all the numbers together, and all the variables

9f-27=0

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

9f=27

f=27/9

f=3

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