3x=(9+x)

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Solution for 3x=(9+x) equation: 



3x=(9+x)

We move all terms to the left:

3x-((9+x))=0

We add all the numbers together, and all the variables

3x-((x+9))=0



We calculate terms in parentheses: -((x+9)), so:

(x+9)

We get rid of parentheses

x+9

Back to the equation:

-(x+9)



We get rid of parentheses

3x-x-9=0

We add all the numbers together, and all the variables

2x-9=0

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

2x=9

x=9/2

x=4+1/2

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