-4-b=7(5-2b)

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Solution for -4-b=7(5-2b) equation: 



-4-b=7(5-2b)

We move all terms to the left:

-4-b-(7(5-2b))=0

We add all the numbers together, and all the variables

-b-(7(-2b+5))-4=0

We add all the numbers together, and all the variables

-1b-(7(-2b+5))-4=0



We calculate terms in parentheses: -(7(-2b+5)), so:

7(-2b+5)

We multiply parentheses

-14b+35

Back to the equation:

-(-14b+35)



We get rid of parentheses

-1b+14b-35-4=0

We add all the numbers together, and all the variables

13b-39=0

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

13b=39

b=39/13

b=3

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