420n=(n+1)315

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Solution for 420n=(n+1)315 equation: 



420n=(n+1)315

We move all terms to the left:

420n-((n+1)315)=0



We calculate terms in parentheses: -((n+1)315), so:

(n+1)315

We multiply parentheses

315n+315

Back to the equation:

-(315n+315)



We get rid of parentheses

420n-315n-315=0

We add all the numbers together, and all the variables

105n-315=0

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

105n=315

n=315/105

n=3

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