(15x+9)=(21x-27)

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Solution for (15x+9)=(21x-27) equation: 



(15x+9)=(21x-27)

We move all terms to the left:

(15x+9)-((21x-27))=0

We get rid of parentheses

15x-((21x-27))+9=0



We calculate terms in parentheses: -((21x-27)), so:

(21x-27)

We get rid of parentheses

21x-27

Back to the equation:

-(21x-27)



We get rid of parentheses

15x-21x+27+9=0

We add all the numbers together, and all the variables

-6x+36=0

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

-6x=-36

x=-36/-6

x=+6

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