3(x+7)=(3x-21)

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Solution for 3(x+7)=(3x-21) equation: 



3(x+7)=(3x-21)

We move all terms to the left:

3(x+7)-((3x-21))=0

We multiply parentheses

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



We calculate terms in parentheses: -((3x-21)), so:

(3x-21)

We get rid of parentheses

3x-21

Back to the equation:

-(3x-21)



We get rid of parentheses

3x-3x+21+21=0

We add all the numbers together, and all the variables

42!=0

There is no solution for this equation

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