3x+9=(x+3)

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



3x+9=(x+3)

We move all terms to the left:

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



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

(x+3)

We get rid of parentheses

x+3

Back to the equation:

-(x+3)



We get rid of parentheses

3x-x-3+9=0

We add all the numbers together, and all the variables

2x+6=0

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

2x=-6

x=-6/2

x=-3

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