6x+21=3(2x+7)

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Solution for 6x+21=3(2x+7) equation: 



6x+21=3(2x+7)

We move all terms to the left:

6x+21-(3(2x+7))=0



We calculate terms in parentheses: -(3(2x+7)), so:

3(2x+7)

We multiply parentheses

6x+21

Back to the equation:

-(6x+21)



We get rid of parentheses

6x-6x-21+21=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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