21n=180(n-2)

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Solution for 21n=180(n-2) equation: 



21n=180(n-2)

We move all terms to the left:

21n-(180(n-2))=0



We calculate terms in parentheses: -(180(n-2)), so:

180(n-2)

We multiply parentheses

180n-360

Back to the equation:

-(180n-360)



We get rid of parentheses

21n-180n+360=0

We add all the numbers together, and all the variables

-159n+360=0

We move all terms containing n to the left, all other terms to the right

-159n=-360

n=-360/-159

n=2+14/53

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