-4(b+5)=4(b-9)

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Solution for -4(b+5)=4(b-9) equation: 



-4(b+5)=4(b-9)

We move all terms to the left:

-4(b+5)-(4(b-9))=0

We multiply parentheses

-4b-(4(b-9))-20=0



We calculate terms in parentheses: -(4(b-9)), so:

4(b-9)

We multiply parentheses

4b-36

Back to the equation:

-(4b-36)



We get rid of parentheses

-4b-4b+36-20=0

We add all the numbers together, and all the variables

-8b+16=0

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

-8b=-16

b=-16/-8

b=+2

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