-281=9(4b+7)+7b

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Solution for -281=9(4b+7)+7b equation: 



-281=9(4b+7)+7b

We move all terms to the left:

-281-(9(4b+7)+7b)=0



We calculate terms in parentheses: -(9(4b+7)+7b), so:

9(4b+7)+7b

We add all the numbers together, and all the variables

7b+9(4b+7)

We multiply parentheses

7b+36b+63

We add all the numbers together, and all the variables

43b+63

Back to the equation:

-(43b+63)



We get rid of parentheses

-43b-63-281=0

We add all the numbers together, and all the variables

-43b-344=0

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

-43b=344

b=344/-43

b=-8

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