(x+18)=(4x-9)

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Solution for (x+18)=(4x-9) equation: 



(x+18)=(4x-9)

We move all terms to the left:

(x+18)-((4x-9))=0

We get rid of parentheses

x-((4x-9))+18=0



We calculate terms in parentheses: -((4x-9)), so:

(4x-9)

We get rid of parentheses

4x-9

Back to the equation:

-(4x-9)



We get rid of parentheses

x-4x+9+18=0

We add all the numbers together, and all the variables

-3x+27=0

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

-3x=-27

x=-27/-3

x=+9

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