-4=-4(f+)

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



-4=-4(f+)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(-4(+f)), so:

-4(+f)

We multiply parentheses

-4f

Back to the equation:

-(-4f)



We get rid of parentheses

4f-4=0

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

4f=4

f=4/4

f=1

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