4-2d=-(-d-4)

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Solution for 4-2d=-(-d-4) equation: 



4-2d=-(-d-4)

We move all terms to the left:

4-2d-(-(-d-4))=0

We add all the numbers together, and all the variables

-2d-(-(-1d-4))+4=0



We calculate terms in parentheses: -(-(-1d-4)), so:

-(-1d-4)

We get rid of parentheses

1d+4

We add all the numbers together, and all the variables

d+4

Back to the equation:

-(d+4)



We get rid of parentheses

-2d-d-4+4=0

We add all the numbers together, and all the variables

-3d=0

d=0/-3

d=0

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