9-12+1=12-(3x+2)

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Solution for 9-12+1=12-(3x+2) equation: 



9-12+1=12-(3x+2)

We move all terms to the left:

9-12+1-(12-(3x+2))=0

We add all the numbers together, and all the variables

-(12-(3x+2))-2=0



We calculate terms in parentheses: -(12-(3x+2)), so:

12-(3x+2)

determiningTheFunctionDomain
-(3x+2)+12

We get rid of parentheses

-3x-2+12

We add all the numbers together, and all the variables

-3x+10

Back to the equation:

-(-3x+10)



We get rid of parentheses

3x-10-2=0

We add all the numbers together, and all the variables

3x-12=0

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

3x=12

x=12/3

x=4

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