(-6+21x)=(9x+6)

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Solution for (-6+21x)=(9x+6) equation: 



(-6+21x)=(9x+6)

We move all terms to the left:

(-6+21x)-((9x+6))=0

We add all the numbers together, and all the variables

(21x-6)-((9x+6))=0

We get rid of parentheses

21x-((9x+6))-6=0



We calculate terms in parentheses: -((9x+6)), so:

(9x+6)

We get rid of parentheses

9x+6

Back to the equation:

-(9x+6)



We get rid of parentheses

21x-9x-6-6=0

We add all the numbers together, and all the variables

12x-12=0

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

12x=12

x=12/12

x=1

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