-75=-9(4+b)

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Solution for -75=-9(4+b) equation: 



-75=-9(4+b)

We move all terms to the left:

-75-(-9(4+b))=0

We add all the numbers together, and all the variables

-(-9(b+4))-75=0



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

-9(b+4)

We multiply parentheses

-9b-36

Back to the equation:

-(-9b-36)



We get rid of parentheses

9b+36-75=0

We add all the numbers together, and all the variables

9b-39=0

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

9b=39

b=39/9

b=4+1/3

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