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

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



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

We move all terms to the left:

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



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

2(7x+3)

We multiply parentheses

14x+6

Back to the equation:

-(14x+6)



We get rid of parentheses

21x-14x-6+6=0

We add all the numbers together, and all the variables

7x=0

x=0/7

x=0

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