27=-(13+b)

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Solution for 27=-(13+b) equation: 



27=-(13+b)

We move all terms to the left:

27-(-(13+b))=0

We add all the numbers together, and all the variables

-(-(b+13))+27=0



We calculate terms in parentheses: -(-(b+13)), so:

-(b+13)

We get rid of parentheses

-b-13

We add all the numbers together, and all the variables

-1b-13

Back to the equation:

-(-1b-13)



We get rid of parentheses

1b+13+27=0

We add all the numbers together, and all the variables

b+40=0

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

b=-40

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