-12=18-(-3x)

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Solution for -12=18-(-3x) equation: 



-12=18-(-3x)

We move all terms to the left:

-12-(18-(-3x))=0



We calculate terms in parentheses: -(18-(-3x)), so:

18-(-3x)

determiningTheFunctionDomain
-(-3x)+18

We get rid of parentheses

3x+18

Back to the equation:

-(3x+18)



We get rid of parentheses

-3x-18-12=0

We add all the numbers together, and all the variables

-3x-30=0

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

-3x=30

x=30/-3

x=-10

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