X+9=x+3(2+x)

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Solution for X+9=x+3(2+x) equation: 



X+9=X+3(2+X)

We move all terms to the left:

X+9-(X+3(2+X))=0

We add all the numbers together, and all the variables

X-(X+3(X+2))+9=0



We calculate terms in parentheses: -(X+3(X+2)), so:

X+3(X+2)

We multiply parentheses

X+3X+6

We add all the numbers together, and all the variables

4X+6

Back to the equation:

-(4X+6)



We get rid of parentheses

X-4X-6+9=0

We add all the numbers together, and all the variables

-3X+3=0

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

-3X=-3

X=-3/-3

X=1

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