4=-f(-4-4)

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Solution for 4=-f(-4-4) equation: 



4=-f(-4-4)

We move all terms to the left:

4-(-f(-4-4))=0

We add all the numbers together, and all the variables

-(-f(-8))+4=0



We calculate terms in parentheses: -(-f(-8)), so:

-f(-8)

We multiply parentheses

8f

Back to the equation:

-(8f)



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

-8f=-4

f=-4/-8

f=1/2

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