-84=-7(f+5)

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Solution for -84=-7(f+5) equation: 



-84=-7(f+5)

We move all terms to the left:

-84-(-7(f+5))=0



We calculate terms in parentheses: -(-7(f+5)), so:

-7(f+5)

We multiply parentheses

-7f-35

Back to the equation:

-(-7f-35)



We get rid of parentheses

7f+35-84=0

We add all the numbers together, and all the variables

7f-49=0

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

7f=49

f=49/7

f=7

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