12=3x+(12-3x)

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



12=3x+(12-3x)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

3x+(-3x+12)

We get rid of parentheses

3x-3x+12

We add all the numbers together, and all the variables

12

Back to the equation:

-(12)



We add all the numbers together, and all the variables

=0

x=0/1

x=0

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