12=2(-2)+b

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Solution for 12=2(-2)+b equation: 



12=2(-2)+b

We move all terms to the left:

12-(2(-2)+b)=0



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

2(-2)+b

determiningTheFunctionDomain
b+2(-2)

We add all the numbers together, and all the variables

b-4

Back to the equation:

-(b-4)



We get rid of parentheses

-b+4+12=0

We add all the numbers together, and all the variables

-1b+16=0

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

-b=-16

b=-16/-1

b=+16

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