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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(-(-1x+3)), so:

-(-1x+3)

We get rid of parentheses

1x-3

We add all the numbers together, and all the variables

x-3

Back to the equation:

-(x-3)



We get rid of parentheses

-2x-x+3-12=0

We add all the numbers together, and all the variables

-3x-9=0

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

-3x=9

x=9/-3

x=-3

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