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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

2x-((x+4))-12=0



We calculate terms in parentheses: -((x+4)), so:

(x+4)

We get rid of parentheses

x+4

Back to the equation:

-(x+4)



We get rid of parentheses

2x-x-4-12=0

We add all the numbers together, and all the variables

x-16=0

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

x=16

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