21n-14=7(2n-2)

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Solution for 21n-14=7(2n-2) equation: 



21n-14=7(2n-2)

We move all terms to the left:

21n-14-(7(2n-2))=0



We calculate terms in parentheses: -(7(2n-2)), so:

7(2n-2)

We multiply parentheses

14n-14

Back to the equation:

-(14n-14)



We get rid of parentheses

21n-14n+14-14=0

We add all the numbers together, and all the variables

7n=0

n=0/7

n=0

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