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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(7b+4(b-5)), so:

7b+4(b-5)

We multiply parentheses

7b+4b-20

We add all the numbers together, and all the variables

11b-20

Back to the equation:

-(11b-20)



We get rid of parentheses

-1b-11b+20+4=0

We add all the numbers together, and all the variables

-12b+24=0

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

-12b=-24

b=-24/-12

b=+2

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