-61=4(2b-4)-5

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Solution for -61=4(2b-4)-5 equation: 



-61=4(2b-4)-5

We move all terms to the left:

-61-(4(2b-4)-5)=0



We calculate terms in parentheses: -(4(2b-4)-5), so:

4(2b-4)-5

We multiply parentheses

8b-16-5

We add all the numbers together, and all the variables

8b-21

Back to the equation:

-(8b-21)



We get rid of parentheses

-8b+21-61=0

We add all the numbers together, and all the variables

-8b-40=0

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

-8b=40

b=40/-8

b=-5

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