4=-2*(-4)+b

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



4=-2(-4)+b

We move all terms to the left:

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



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

-2(-4)+b

determiningTheFunctionDomain
b-2(-4)

We add all the numbers together, and all the variables

b+8

Back to the equation:

-(b+8)



We get rid of parentheses

-b-8+4=0

We add all the numbers together, and all the variables

-1b-4=0

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

-b=4

b=4/-1

b=-4

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