7=-3(-b-1)

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Solution for 7=-3(-b-1) equation: 



7=-3(-b-1)

We move all terms to the left:

7-(-3(-b-1))=0

We add all the numbers together, and all the variables

-(-3(-1b-1))+7=0



We calculate terms in parentheses: -(-3(-1b-1)), so:

-3(-1b-1)

We multiply parentheses

3b+3

Back to the equation:

-(3b+3)



We get rid of parentheses

-3b-3+7=0

We add all the numbers together, and all the variables

-3b+4=0

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

-3b=-4

b=-4/-3

b=1+1/3

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