-(b+7)=2(b+1)

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Solution for -(b+7)=2(b+1) equation: 



-(b+7)=2(b+1)

We move all terms to the left:

-(b+7)-(2(b+1))=0

We get rid of parentheses

-b-(2(b+1))-7=0



We calculate terms in parentheses: -(2(b+1)), so:

2(b+1)

We multiply parentheses

2b+2

Back to the equation:

-(2b+2)



We add all the numbers together, and all the variables

-1b-(2b+2)-7=0

We get rid of parentheses

-1b-2b-2-7=0

We add all the numbers together, and all the variables

-3b-9=0

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

-3b=9

b=9/-3

b=-3

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