7b+40=4(-b-1)

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Solution for 7b+40=4(-b-1) equation: 



7b+40=4(-b-1)

We move all terms to the left:

7b+40-(4(-b-1))=0

We add all the numbers together, and all the variables

7b-(4(-1b-1))+40=0



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

4(-1b-1)

We multiply parentheses

-4b-4

Back to the equation:

-(-4b-4)



We get rid of parentheses

7b+4b+4+40=0

We add all the numbers together, and all the variables

11b+44=0

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

11b=-44

b=-44/11

b=-4

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