3x-12-4x-12=x+3-(x-3)

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Solution for 3x-12-4x-12=x+3-(x-3) equation: 



3x-12-4x-12=x+3-(x-3)

We move all terms to the left:

3x-12-4x-12-(x+3-(x-3))=0

We add all the numbers together, and all the variables

-1x-(x+3-(x-3))-24=0



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

x+3-(x-3)

determiningTheFunctionDomain
x-(x-3)+3

We get rid of parentheses

x-x+3+3

We add all the numbers together, and all the variables

6

Back to the equation:

-(6)



We add all the numbers together, and all the variables

-1x-30=0

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

-x=30

x=30/-1

x=-30

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