(6x+18)=(3x-9)

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Solution for (6x+18)=(3x-9) equation: 



(6x+18)=(3x-9)

We move all terms to the left:

(6x+18)-((3x-9))=0

We get rid of parentheses

6x-((3x-9))+18=0



We calculate terms in parentheses: -((3x-9)), so:

(3x-9)

We get rid of parentheses

3x-9

Back to the equation:

-(3x-9)



We get rid of parentheses

6x-3x+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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