(21x-6)=(15x+6)

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Solution for (21x-6)=(15x+6) equation: 



(21x-6)=(15x+6)

We move all terms to the left:

(21x-6)-((15x+6))=0

We get rid of parentheses

21x-((15x+6))-6=0



We calculate terms in parentheses: -((15x+6)), so:

(15x+6)

We get rid of parentheses

15x+6

Back to the equation:

-(15x+6)



We get rid of parentheses

21x-15x-6-6=0

We add all the numbers together, and all the variables

6x-12=0

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

6x=12

x=12/6

x=2

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