-4=-(f-7)

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Solution for -4=-(f-7) equation: 



-4=-(f-7)

We move all terms to the left:

-4-(-(f-7))=0



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

-(f-7)

We get rid of parentheses

-f+7

We add all the numbers together, and all the variables

-1f+7

Back to the equation:

-(-1f+7)



We get rid of parentheses

1f-7-4=0

We add all the numbers together, and all the variables

f-11=0

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

f=11

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