-2=4b-9(8+2b)

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Solution for -2=4b-9(8+2b) equation: 



-2=4b-9(8+2b)

We move all terms to the left:

-2-(4b-9(8+2b))=0

We add all the numbers together, and all the variables

-(4b-9(2b+8))-2=0



We calculate terms in parentheses: -(4b-9(2b+8)), so:

4b-9(2b+8)

We multiply parentheses

4b-18b-72

We add all the numbers together, and all the variables

-14b-72

Back to the equation:

-(-14b-72)



We get rid of parentheses

14b+72-2=0

We add all the numbers together, and all the variables

14b+70=0

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

14b=-70

b=-70/14

b=-5

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