(x+9)=(2x-9)

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Solution for (x+9)=(2x-9) equation: 



(x+9)=(2x-9)

We move all terms to the left:

(x+9)-((2x-9))=0

We get rid of parentheses

x-((2x-9))+9=0



We calculate terms in parentheses: -((2x-9)), so:

(2x-9)

We get rid of parentheses

2x-9

Back to the equation:

-(2x-9)



We get rid of parentheses

x-2x+9+9=0

We add all the numbers together, and all the variables

-1x+18=0

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

-x=-18

x=-18/-1

x=+18

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