(9x+3)=(11x-21)

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Solution for (9x+3)=(11x-21) equation: 



(9x+3)=(11x-21)

We move all terms to the left:

(9x+3)-((11x-21))=0

We get rid of parentheses

9x-((11x-21))+3=0



We calculate terms in parentheses: -((11x-21)), so:

(11x-21)

We get rid of parentheses

11x-21

Back to the equation:

-(11x-21)



We get rid of parentheses

9x-11x+21+3=0

We add all the numbers together, and all the variables

-2x+24=0

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

-2x=-24

x=-24/-2

x=+12

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