9x=3*(3x-7)

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Solution for 9x=3*(3x-7) equation: 



9x=3(3x-7)

We move all terms to the left:

9x-(3(3x-7))=0



We calculate terms in parentheses: -(3(3x-7)), so:

3(3x-7)

We multiply parentheses

9x-21

Back to the equation:

-(9x-21)



We get rid of parentheses

9x-9x+21=0

We add all the numbers together, and all the variables

21!=0

There is no solution for this equation

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