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

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



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

We move all terms to the left:

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

We multiply parentheses

-9x-(-(9x+7))+21=0



We calculate terms in parentheses: -(-(9x+7)), so:

-(9x+7)

We get rid of parentheses

-9x-7

Back to the equation:

-(-9x-7)



We get rid of parentheses

-9x+9x+7+21=0

We add all the numbers together, and all the variables

28!=0

There is no solution for this equation

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